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Technifast offer technical information on material specifications, chemical composition of steels, tolerances, standards and recommended hole sizes for your particular application. Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances TECHNICAL OVERVIEW Our technical guides and comprehensive engineers tables have been designed to help you to discover the right precision engineered components for your unique requirements. Find out more about the material specifications, chemical composition of steels, tolerances, standards and recommended hole sizes for your particular application, by clicking the links below. Technifast is an ISO:9001 registered company . This underpins our reliability as we continually monitor and manage quality across all our operations. ISO:9001 Quality Management is an internationally recognised standard which gives customers the confidence that our processes and services adhere to current legislations for the Engineering Industry. Datasheets Recommended Hole Sizes Material Specifications Shear Strengths Pin Economics Standards Plating & Finishing Tolerances

Wide range of steel and brass inserts. Self tapping, self cutting threaded inserts, through tapped metric OD inserts and expansion inserts - large stocks or manufactured to order. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products SELF TAPPING INSERTS INS 121 INS 127 INS 125 INS 300 STB Type PTT Type (Thread-Reducing) STT Type HEAT/ULTRASONIC INSERTS EXPANSION INSERTS THREADED INSERTS Technifast provide a varied range of inserts, which are frequently categorised by the method of insertion. We have a vast range of self tapping inserts, designed to give more strength, particularly where composite materials are used. Our through tapped metric OD inserts (thread reducers / thread repair) are ideal for use on pre-tapped holes which make them suitable for application with most materials and have a standard through-tapped metric internal with metric external threads. We also stock self tapping inserts with a high resistance to pull-out, making them ideal for use in plastics, wood and non-ferrous metals. Our ultrasonic or heat inserts, which are for use in thermoplastic materials and are stocked in brass. Finally, the expansion inserts are an ideal solution when a durable thread is required, but the high pull-out resistance of a self-tapping insert is not essential. For non-standard threaded inserts, please contact us with your requirements Self Tapping Inserts Series 121 / 125 / 127 / 300 Series STB Series STT Series PTT Expansion Inserts Heat/Ultrasonic Inserts Hole Preparation Guide CONTACT US RFQ Item 1 RFQ Item 2 RFQ Item 3 RFQ Item 4 Upload File Upload supported file (Max 15MB) I agree to the terms & conditions I want to subscribe to the newsletter. Submit Form Thanks for contacting Technifast! We'll get back to you as quickly as possible View our other products available

Technifast Ltd Corby: Precision fasteners supplier & manufacturer. Contact us for ISO 9001 certified components! Looking for precision? Technifast Delivers! sales@technifast.co.uk Looking for precision? 1/31 Learn About Our Standard Products Looking for Precision Engineered Components? Technifast specialises in high quality specialised fasteners including pins, dowels, spacers, inserts & engineers keys, as well as CNC turned parts for industries worldwide. From medical, automotive & aviation to marine our expert team ensures reliability, custom solutions and first class service. Quality, Innovation and Fast Delivery - Technifast is the company to contact! Learn About Our Manufacturing Capabilities As an ISO:9001 registered company, Technifast upholds the highest standards of quality throughout every stage of our operations. Our certification is a testament to our commitment to reliability, with rigorous monitoring and management practices that ensure our products consistently meet demanding specifications. Customers are welcome to download our ISO:9001 certificate for added assurance. Whether you require a rapid quotation , want to discuss bespoke component design , or are seeking generous discounts on volume orders , Technifast is your trusted partner for a fast, efficient service. We invite you to join our growing community and experience precision engineering tailored to your needs—send your enquiry today and discover the difference that dedication and expertise make. Technifast Announces Strategic Growth and Innovation Milestones in Precision Engineered Components How Technifast Prioritizes Sustainability in Every Aspect of Our Business Operations Mondays Just Got Better: Free Carriage to UK Mainland with Our Special Offer

Technifast Ltd's privacy, website and cookie policy About Us History of Techifast Meet The Team Quality/Statements Terms & Conditions Privacy/Website Policy Commodity Codes TECHNIFAST PRIVACY POLICY & COOKIE POLICY About technifast.co.uk This Privacy Policy sets out how we collect, use and protect your personal information. ‘Personal information’ is information which identifies you or another person, or which is capable of doing so. Technifast.co.uk (the “Website”) is owned by Technifast Limited (“technifast.co.uk“, “we” or “us“), a private limited company in England and Wales with company number 246044 and registered At Technifast Limited, North Folds Road, Oakley Hay Industrial Estate, Corby, Northamptonshire, NN18 9AT Please take the time to read this Privacy Policy, which is part of our Terms and Conditions. If you have any questions about this Privacy Policy or our use of your information you can contact us at sales@technifast.co.uk . You also have the right, however, to make a complaint to the relevant Supervisory Authority about our use of your information (in most cases under this Privacy Policy the relevant Supervisory Authority will be the Information Commissioner’s Office). About this privacy policy We take your privacy seriously and are committed to maintaining the privacy and security of information you provide to us, and the choices you have regarding our collection and use of your information. This Privacy Policy applies to information we collect about you through this Website and when you otherwise communicate with us. By visiting our Website you are accepting and consenting to the practices described in this Privacy Policy. We process your personal data on the basis that you have provided your consent for us to do so for the purposes set out below when you submitted your personal data to us. You may withdraw your consent to this processing at any time by contacting us at sales@technifast.co.uk or by writing to our registered address above .If you do withdraw your consent, we may still be able to process some of the data that you have provided to us on other grounds. We have a philosophy here about the way we use your consent to be contacted by us (if you give us that consent). If you hear from us, we will always aim to be respectful, relevant and appropriate. If at any time you don’t feel we’ve lived up to our philosophy, please let us know straight away by getting in touch with us. This Privacy Policy may change from time to time and, if it does, the up-to-date version will always be available on our Website. Please note that by continuing to use our Website you are agreeing to any updated versions. Information we may collect about you We may collect and process the following data: Information you give to us You may give us information about you by filling in forms (e.g. on our ‘Contact Us’ page), by contacting us or by submitting a job application on our Website. The information you give to us may include: your name and title; contact information, including telephone number and email address; information such as postcodes, and your preferences and interests; and employment details, e.g. date of birth, employment history, qualifications Information we collect about you Each time you visit our Website, we may automatically collect the following information: web usage information (e.g. IP address), your login information, browser type and version, time zone setting, operating system and platform; and information about your visit, including the full Uniform Resource Locators (URLs) clickstream to, through and from technifast.co.uk (including date and time); time on page, page response times, download errors, length of visits to certain pages, page interaction information (such as scrolling, clicks and mouse-overs). Information we receive from other sources We may also receive information about you if you use any of the other websites we operate (including, for example, technifast.eu) or the other services we provide. Cookie policy Our Website uses cookies to distinguish you from other users and to improve your experience on our Website and to recommend content that may be of interest to you. When you visit the Website we will ask you whether you agree to our use of cookies. What are cookies? A cookie is a text file containing small amounts of information which is downloaded to your device when you access a website. The text file is then sent back to our server each time your browser requests a page from the server. This enables us to operate the Website more effectively and load the Website in such a way as to reflect your personal preferences based on your previous browsing on the Website, as well as keywords we may be able to gather from URLs of webpages from which you accessed the Website. What cookies do we use? We use the following cookies: Analytical and performance cookies. We may use analytics service providers for website traffic analysis and reporting. Analytics service providers generate statistical and other information about the use of the Website by using cookies. They allow us to recognise and count the number of visitors and to see how often visitors return to the Website, how long they stay and how visitors move around our Website when they are using it. This helps us to improve the way our Website works, for example, by ensuring that users are finding what they are looking for easily. The information generated relating to the Website may be used to create reports about the use of the Website and the analytics service provider will also store this information. Advertising and targeting cookies. These cookies record your visit to our Website, the pages you have visited and the links you have followed to other websites. We will use this information to try and make our Website and other websites that you visit more relevant to your interests. We may also share this information with others, such as other Technifast group companies and carefully selected third parties for this purpose. Functionality cookies. We may use functional cookies that allow us to remember choices you have made in relation to the Website so as to provide a more personalised experience and enhanced user experience by delivering content specific to your interests. Third party cookies We try and make it easy to share content and to see what content is popular on those networks. We add buttons to allow people to easily share to those networks. When we include these social ‘plugins’, it gives those sites the flexibility to use cookies. They can’t read any cookies we set from our Website, and we can’t read any cookies they set, but it lets them do the same kind of traffic measuring that we do on the rest of the Website, and it also lets them know whether you’re logged in. Other websites and services (including, for example, advertising networks, providers of external services like web traffic analysis services and content recommendation engines) may also use cookies, over which we have no control. These cookies are likely to be analytical/performance cookies or targeting cookies. How do I turn cookies off? If you would like to opt out of cookies, you can change the settings on your internet browser to reject cookies. For more information please consult the “Help” section of your browser or visit www.aboutcookies.org or www.allaboutcookies.org . Please note that if you do set your browser to reject cookies, you may not be able to use all of the features of our Website. How we will use your information We may use your information for the following purposes: to respond to any query that you may submit to us; to ensure that our Website’s content is presented in the most effective manner for you and your computer; to customise the Website according to your interests; to administer the Website and for internal operations, including troubleshooting, data analysis, testing, research, statistical and survey responses; to allow you to participate in interactive features of our service when you choose to do so; as part of our efforts to keep the Website safe and secure; to measure or understand the effectiveness of advertising we serve to you and others, and to deliver relevant advertising to you; to comply with the law; as we feel is necessary to prevent illegal activity or to protect our interests. Disclosure of your information We may share your personal information with any member of our group, which means our subsidiaries, our ultimate holding company and its subsidiaries, as defined in section 1159 of the UK Companies Act 2006. When we share your information with third parties they will process your information as either a data controller or as our data processor and this will depend on the purposes of our sharing your personal data. We will only share your personal data in compliance with the applicable data protection legislation. We may disclose your information to third parties when: you specifically request this, such as when you submit information to enquire about jobs or submit a job application through the Website; other Technifast companies products and services may interest you; in the event that we sell or buy any business or assets, in which case we may disclose your personal data to the prospective seller or buyer of such business or assets; if the Website or substantially all of its assets are acquired by a third party, in which case personal data held by it about its customers will be one of the transferred assets; or if we are under a duty to disclose or share your personal data in order to comply with any legal obligation or to protect the rights, property or safety of the Website, our customers, or others. This includes exchanging information with other companies and organisations for the purposes of fraud protection and credit risk reduction. The third parties include: business partners, clients, suppliers and sub-contractors for the performance of any contract we enter into with them or you; and analytics and search engine providers that assist us in the improvement and optimisation of the Website. We may share some broader statistics and customer profiling information with third parties and other Technifast companies, but the data is anonymised, so you would not be identifiable from that data. We will not rent or sell our user’s details to any other organisation or individual. Storage of your personal data The data that we collect from you may be transferred to, and stored at, a destination outside of the European Economic Area (“EEA”). It may also be processed by staff operating outside the EEA who work for us or one of our suppliers. By using the Website, you agree to this transfer, storing or processing. We will take all steps reasonably necessary to ensure that your data is treated securely and in accordance with this Privacy Policy. We follow strict security procedures as to how your personal information is stored and used, and who sees it, to help stop any unauthorised person getting hold of it. All personal information you register on this Website will be located behind a firewall. Once we have received your information, we will use strict procedures and security features to try to prevent unauthorised access. Unfortunately, the transmission of information via the internet is not completely secure and although we do our best to protect your personal data, we cannot guarantee the security of your data. So we cannot accept any liability for the loss, theft or misuse of the personal information which you have registered on the Website if there is a security breach. We will keep your information stored on our systems for as long as it takes to provide the services to you. The third parties we engage to provide services on our behalf will keep your data stored on their systems for as long as is necessary to provide the services to you. We will not store your information for longer than is reasonably necessary or required by law. Your rights Even if you have accepted the processing of your personal data for marketing purposes (by ticking the relevant box), you have the right to ask us to stop processing your personal data for such purposes. You can exercise this right at any time by contacting us at sales@technifast.co.uk or 01536 461140. The Website may, from time to time, contain links to and from the websites of advertisers and affiliates. If you follow a link to any of these websites, please note that these websites have their own privacy policies and that we do not accept any responsibility or liability for these policies. Please check these policies before you submit any personal data to these websites. From 25 May 2018, you will be entitled to receive the personal data that you have provided to us in a structured, commonly used and machine-readable format, and to transmit that data to another data controller. The types of data that can be provided are those set out at paragraph 3.1 above. You can exercise this right from 25 May 2018 by contacting us at sales@technifast.co.uk or 01536 461140 Access to information European Data Protection Legislation gives you the right to access information held about you. You are entitled to be told by us whether we or someone else on our behalf is processing your personal information; what personal information we hold; details of the purposes for the processing of your personal information; and details of any third party with whom your personal information has been shared. You will be asked to provide proof of identity before we show you your personal information – that’s so we can prevent unauthorised access. Your rights to access, rectify such information, object or cancel the information we hold about you can be exercised at any time by contacting us at sales@technifast.co.uk or 01536 461140. Questions, comments and requests regarding this Privacy Policy should be addressed to: Privacy Policy Request, Technifast Limited, North Folds Road, Oakley Hay Ind Est, Corby Northants NN18 9AT Email address: sales@technifast.co.uk Telephone number: 01536 461140 Definitions For the purposes of this Privacy Policy, (“European Data Protection Legislation“) is defined as, for the periods in which they are in force, the European Data Protection Directive 95/46/EC, all laws giving effect or purporting to give effect to the European Data Protection Directive 95/46/EC (such as the Data Protection Act 1998) or otherwise relating to data protection (to the extent the same apply) and, from 25 May 2018, the General Data Protection Regulation (Regulation (EU) 2016/670) (GDPR) or any equivalent legislation amending or replacing the GDPR.

Get competitive quotes on precision fasteners including Spring Pins, Dowels, Groove Pins, Clearance & Threaded Spacers, Engineers Keys and Inserts, as well as custom made parts to your own specification up to 32mm diameter. Contact Technifast on sales@technifast.co.uk or 01536 461140 with large discounts available on volume orders CONTACT TECHNIFAST For a fast, competitive quotation on your precision engineered component requirements, please fill in the short form below and one of our experienced sales representatives will respond shortly. Alternatively, call our team on +44 (0)1536 461140 or e-mail sales@technifast.co.uk to discuss your latest turned component projects. CONTACT US RFQ Item 1 RFQ Item 2 RFQ Item 3 RFQ Item 4 Upload File Upload supported file (Max 15MB) I agree to the terms & conditions I want to subscribe to the newsletter. Submit Form Thanks for contacting Technifast! We'll get back to you as quickly as possible View our other products available

Our FAQs answer some of the common questions we are asked: What's the minimum order? What's the difference between a slotted & coiled pin? Should I choose A2 or A4 stainless steel? What are DIN and ISO standards? What are the differences between interference / transition / clearance fits? FAQs - Just a few of the frequently asked questions we get a Technifast We are always happy to provide practical solutions to your fastener and turned components enquiries. Your questions are often the source of some very interesting FAQs and we've compiled details of some of the most commonly asked questions. If you can't find the answer you are looking for below, please email the team at sales@technifast.co.uk What are the different types of spring pins ? Although there are different names within the industry, there are two types of spring pins; Slotted or Coiled . Slotted Spring Pins are 'c' shaped with a slot along the length of the pin. Other names that are used for Slotted Spring Pins are 'Split Spring Pins', 'Spring Dowel Pins', 'Bissell Pins, 'Selloc Pins', 'Tension Pins', 'Spring Tension Pins', 'Groverlock Pins', 'Roll Pins' . Coiled Spring Pins are 2-1/4 coils of spring or stainless steel (looks like a swiss roll), and can also be known as 'Coiled Pins', 'Roll Pins', 'Spiral Pins', 'Scroll Pins', 'Spring Tension Pins' If Technifast is asked for a 'Spring Pin', we will ask if you require the slotted or coiled type to ensure you receive the correct product you're looking for. What is Technifast's Minimum Order? For UK Mainland orders, there is a minimum line value of £2.00, with a minimum order value of £10.00, excluding VAT. All other countries, price is on application. Properties Of Austenitic Stainless Steel From the smallest precision component to the largest skyscraper, stainless steel is an integral part of modern life. Stainless steel is often the material of choice for industrial fasteners, as it offers a good balance of corrosion resistance and durability. The term stainless steel is given to a wide range of corrosion-resistant steel alloys. The fundamental component of a stainless steel alloy is a minimum chromium content of 10.5%, with varying quantities of carbon, silicon and manganese. Other elements such as nickel, copper and molybdenum can also be added to change the properties of the material. The most widely used type of stainless steel is Austenitic steel. It contains high levels of chromium and nickel, and lower levels of carbon. This nickel-based stainless steel is classed as the 300 Series. Technifast are specialists in the manufacture of precision components using the popular Grade 304. We also have vast experience with Grade 316, which has added molybdenum to further improve its corrosion resistance, making it ideal for marine environments or surgical equipment. The 300 Series of stainless steel can be characteristically defined by its weldability and formability. Grade 304 is the most weldable of the stainless steel family, and although care should be taken to avoid hot cracking it is compatible with all welding processes. If the application demands good formability, then Grade 304 is the practical choice, being more malleable than other types of stainless steel. By understanding the benefits of Austenitic stainless steel, you can make an informed choice on the best type of material to suit your individual application. What Are The Benefits Of Zinc Plating? Zinc plating is an established process suited to hardened steel base materials. It offers added protection to steel components against corrosion. The zinc creates a barrier acting as a thin, sacrificial coating, helping to prevent corrosion from reaching the steel surface of the component beneath. Zinc is a widely available material and depending on the application and quantity, it can be a cost-effective option for businesses on a budget when used as an alternative to stainless steel. Stainless steel is generally more expensive than a zinc plated option, due to the chromium content of stainless steel. However, the benefits of a cheaper alternative would need to be considered against the strength and corrosion resistance of stainless steel. Aesthetically, zinc plating produces a bright finish and superior appearance to an uncoated steel component - which is an important factor if the fastener is going to be visible within the intended application. Technifast work with respected and established plating and finishing partners to provide a high-quality service, which we offer as part of our manufacturing service. We do not offer these services on parts that have not been manufactured or supplied by Technifast. Should I Choose A2 Or A4 Stainless Steel Material? The grade of stainless steel used for a component will be determined by the environment the fastener will be exposed to. Selecting the correct grade of stainless steel ensures the fasteners will be of a high-quality and perform in the application for which they are intended: A2 Stainless Steel is a commonly used grade, as it’s very versatile and offers strong abrasion resistance, plus a good resistance to corrosion and high-hardness levels. A2 stainless steel is from the austenitic family, containing 18% chromium and 8% nickel. A4 Stainless Steel is the best option when the component is to be used in a harsher environment. The addition of molybdenum to its composition provides the A4 grade with a greater level of corrosion resistance, making it suited for use in salt water or certain chemical solutions. Many fasteners used in the medical industry are manufactured from A4 stainless steel. Stainless Steel A2 is typically a lower-cost option, but the additional cost of stainless steel A4 is a good investment, due to the fact it is very resistant to tarnishing and corrosion, making it a long-lasting material to use. What Are DIN And ISO Standards? DIN is the acronym for ‘Deutsches Institut für Normung’, which is the ‘German institute for standardisation’ who developed detailed technical standards for the engineering industry, amongst many other industries. With reference to fasteners, DIN number indicates the that the part conforms to a specific metric standard. The International Standards Organisation (ISO) standard has evolved to supersede the DIN standard, which was historically the predominant metric fastener system referred to. The intention of the ISO standard was to standardise the technical specifications worldwide to simplify the system and aid the flow of trade via a universally recognised standard. In practice, DIN and ISO standards are still both commonly used when specifying fasteners and both standards are recognised by Technifast when our customers specify the fasteners they require. What Are The Differences Between Interference / Transition / Clearance Fits? Engineering fits are defined by the allowance of tightness between two mating parts - usually a shaft and a hole - of an assembly. The type of fit used is identified by the relative movement required between the components to allow the parts to perform their specific function. Clearance Fit: If the assembly requires the components to move freely in relation to each other, this is termed as a clearance fit. In this type of engineering fit, the maximum permitted shaft diameter is less than the diameter of the hole. When using this type of fit, the clearance value is always a positive number. Interference Fit: With an interference fit, the components of the assembly mate together tightly, so that relative movement is not possible. The minimum diameter allowance of the pin is always greater than the maximum diameter of the hole, meaning an interference fit is mainly used as a permanent assembly for parts which rely on rigidity and alignment. Transition Fit: A transition fit sits between a clearance and interference fit and can have a positive or negative clearance between the mating parts. This fit is used when an accurate location is required, but a small amount of either clearance is acceptable.

More details about the materials used in Technifast products Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances MATERIAL SPECIFICATIONS Standard materials used in Technifast products are as follows : - CS 70 and CK67 Carbon steel which, after hardening and tempering, has excellent strength and fatigue resistance which makes them ideal for spring pins, both coiled and slotted. AISI 304 and WS 1.4310 Austenitic stainless steel, unhardenable and with low magnetic permeability, used for both coiled and slotted spring pins where corrosion resistance is needed. WS 1.3505 / C60Pb Hardenable high carbon steel with chrome content used for through-hardened dowels in the metric range. WS 1.4305 and 303S31 Unhardenable austenitic stainless steel with low magnetic permeability used for dowels, grooved pins, taper pins and threaded spacers where corrosion resistant properties are required. Silver Steel to BS 1407 A through-hardenable high carbon steel used for dowels and small turned parts. WS 1.4571 and 316S11 (A4) Unhardenable austenitic stainless steel with low magnetic permeability, but with very high corrosion resistance used for dowels. 431S29 (C1) A hardenable martensitic stainless steel used for dowels requiring the maximum shear strength, combined with corrosion resistance. WS 1.0718 (9SMnPb28) Leaded mild steel used for dowels, taper pins and grooved pins. S300 Pb Leaded mild steel used for threaded spacers. AISI 1010 Low carbon steel used for roll-formed clearance spacers. WS 1.0503 (C45k) Standard Key steel with a minimum tensile strength of 60 Kg/mm². Chemical Compositions Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

A brief cross-reference guide to some of the standards referred to on Technifast products Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances STANDARDS - ISO / BS / DIN DIN is the acronym for ‘Deutsches Institut für Normung’, which is the ‘German institute for standardisation’ who developed detailed technical standards for the engineering industry, amongst many other industries. With reference to fasteners, DIN number indicates the that the part conforms to a specific metric standard. The International Standards Organisation (ISO) standard has evolved to supersede the DIN standard, which was historically the predominant metric fastener system referred to. The intention of the ISO standard was to standardise the technical specifications worldwide to simplify the system and aid the flow of trade via a universally recognised standard. In practice, DIN and ISO standards are still both commonly used when specifying fasteners and both standards are recognised by Technifast when our customers specify the fasteners they require. The chart below shows the ISO standards and their equivalent DIN and BS standards. Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

Technifast manufacture solid dowel pins and extractable dowels in metric & imperial sizes, in through hardened steel, mild steel and stainless steel to DIN, ISO and BS Standards. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products Solid Dowel Pins, Taper PIns & Groove PIns to ISO/DIN/BS standards and to customer specifications DIN 7977 / ISO 8737 / DIN 258 Male Extractable Taper Pins Taper Pins DIN 1A / DIN 1B / ISO 2339 Solid Dowel Pins, Taper PIns & Groove PIns to ISO/DIN/BS standards and to customer specifications 1/24 DOWEL PINS, GROOVED PINS & TAPER PINS Dowels might look simple, but they're the secret to flawless engineering and assembley! Picture them as the backstage crew - never in the spotlight, but absolutely vitail form the main performance. Whether in factories, medical equipment or design studios, dowels are the go-to for accuracy and repeatability. Unlock flawless engineering with our precision dowel pins—designed to seamlessly align and secure your assemblies with absolute confidence. Their unmatched accuracy and snug fit make them the backbone of dependable machinery and structures everywhere. Crafted from top-tier materials and ground to ultra-fine tolerances, our dowel pins deliver not just performance, but peace of mind. Material Choices Tailored for You No matter your project’s demands, we’ve got the perfect pin! Choose from our comprehensive range: Mild steel—versatile and reliable Brass—for corrosion resistance and conductivity Stainless steel 303—high strength with excellent machinability Stainless steel 316—superior corrosion resistance Hardened & Ground Steel—for the toughest jobs Have something special in mind? Custom materials are just a conversation away. Explore Our Range: Dowel Pin Types & Features Our dowel pins aren’t one-size-fits-all. Whatever your alignment or extraction needs, you’ll find a match: Plain Dowel Pins: Simple, straight, and strong for classic alignment. Extractable Dowel Pins: Clever designs with male or female threads—making removal a breeze when maintenance calls. Tapered Dowel Pins: Tapered for extra grip and reliable seating in demanding setups. Grooved Dowel Pins: Built to DIN and ISO standards, with parallel or tapered grooves—choose half, full, or centre grooves for the perfect hold. Industry Standards & Global Compatibility Our pins play by the rules—and the world’s standards: ISO 2338 / DIN 6325 / ISO 8734 / BS 1804 / DIN 7 for solid dowel pins DIN 7979D / DIN 7979 / ISO 8733 / ISO 8735 for extractable dowel pins DIN 1 / ISO 2339 / BS 5681 / BS 46 Pt3 for plain taper pins DIN 7977 / ISO 8737 / DIN 258 for male extractable taper pins DIN 7978 / ISO 8736 for female extractable taper pins DIN 1471 / DIN 1472 / DIN 1473 / DIN 1474 / DIN 1475 / ISO 8741 / ISO 8742 / ISO 8743 / ISO 8744 / ISO 8745 for groove pins (other types available to order) Need an imperial grooved pin? While that’s not in our current lineup, we’ll go above and beyond to find an alternative that fits your needs. Custom Crafted for Your Vision Have a unique challenge? We thrive on custom work! Our capabilities include: Dowel and taper pins made from your drawings or specification Diameters from a tiny 1mm up to a robust 32mm Non-standard diameters, taper angles, and split taper pins Special threads and custom forms From the simplest to the most intricate requirements, our manufacturing expertise brings your ideas to life. Fast, Friendly, and Flexible Service Most standard pins are in stock and ready to ship so you can keep your projects moving. Got a one-of-a-kind request? Our technical team is eager to help, offering expert advice and rapid quotes to turn your concepts into reality. Guidance on choosing the right materials and pin types Quick turnaround on off-the-shelf orders Custom manufacturing with flexibility and flair Let us be your go-to partner for precision mechanical alignment. Contact us for more info, detailed data sheets, or to start your custom pin journey today! ISO 2338 DIN 6325 DIN 7979D Dowel Pin Data Sheet GROOVED PINS Grooved Pins Data Sheet DIN 1 DIN 7978 DIN 7977 Taper Pin Data Sheet CONTACT US RFQ Item 1 RFQ Item 2 RFQ Item 3 RFQ Item 4 Upload File Upload supported file (Max 15MB) I agree to the terms & conditions I want to subscribe to the newsletter. Submit Form Thanks for contacting Technifast! We'll get back to you as quickly as possible View our other products available

Technifast's have a proven track record in producing high-quality, precision engineered fasteners and components. View our gallery of dowels, keys, inserts and pins produced to customer drawing or specifications. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products TECHNIFAST GALLERY Just a few of the various products we can supply. If you would like more information on any of our products, visit our product pages or contact us with your request . If you're not sure what the item you require is known as, but can see it below, click on the photo and it will take you to the correct product page. Products Overview All Products Selection of standard products available from Technifast Parallel Keys to DIN 6885 Parallel Keys, round both ends to DIN 6885 in C45 keysteel or A4 stainless Keysteel Keysteel to DIN 6880 in 12" or 1 metre lengths. Available in C45 keysteel or A4 stainless Spring Pins, 1 Turned Spacers Turned Spacers in Brass, Mild Steel (Zinc Plated Finish if required), Stainless A2 or A4 Groove Pins to DIN 1472 Grooved Pins to DIN 1472 in mild steel or stainless Dowel Pin H & G Dowel Pins to DIN 6325 in Hardened & Ground Steel Split Cotter Pins to DIN 94 Cotter Pins to DIN 94 in mild steel, zinc plated or stainless A4 Threaded Pin with Stop4 Coiled Pins Coiled Spring Pins to ISO 8748 / ISO 8750 in Spring Carbon Steel or A2 Stainless Threaded Insert2 Coiled Spring Pins Coiled Spring Pins to ISO 8748 / ISO 8750 Carbon Steel Stainless A2 Woodruff Key Woodruff Keys to DIN 6888 or BS 46, available in C45 keysteel as standard and in stainless to order Clearance Spacer Turned, Clearance Spacers in Mild Steel (self colour or zinc plated), Stainless A2 or A4 and Brass Hex Threaded Spacers Hexagonal Threaded Spacers, Male/Female or Female/Female in Steel Zinc Plated, Brass Nickel Plated or Stainless (to order) Turned Spacer Turned / Clearance Spacers in mild steel, zinc plated. Can also offer in stainless or brass Shaft Locking Pins Turned Spacers Turned Spacers, available up to 32mm OD in mild steel, stainless steel or brass Stepped Spacers Special Turned Parts to customer specification Turned Spacer Turned or Clearance Spacers Threaded Spacers Hexagonal Threaded Spacers, Male/Female Threaded Spacer, Male/Female Hexagonal Male Threaded Pillar or Spacers in Steel Zinc Plated, Brass Nickel Plated or Stainless (to order) Threaded Spacer, Female, 1 Threaded Spacer Round, 4 threaded spacer fl Threaded Pin2 Turned Spacer Turned / Clearance Spacers, can be in mild steel, stainless steel or brass Taper Pins Stainless Parts Threaded Taper Pin Series 300 Taper Pin, Split, 5 studding connector Studding Connector, 1 Stop Pin5 Series 127 WEB Stepped Pin, 6 Spacers (2) Engineers Keys Parallel Keys to DIN 6885, Woodruff Keys to DIN 6888 Gib Head Keys to DIN 6887 C45 keysteel or A4 stainless Slotted Pins (2) Self Tapping Inserts Retaining Pin, 1 rolled spacer std r-clip, single coil 4mm Pin with Stop2 Turned Spacers Turned Spacers, available in mild steel, stainless steel or brass Pin with Radius Ends, 3 Inserts, 1 Keys Edited Pin with Grooves6 Pin with End Knurl5 Pin with Circlip Grooves5 Pin with countersink holes Pin with Chamfered Grooves2 Pin with Centre Knurl6 Pin with Centre Cut Out11 Pin with Air Release Flat8 INS 300 with Holes4 Parallel Key Multi-Hole Pin12 linch pin Knurl Pin4 Keysteel 2, 1 Inserts Inserts 02, 1 insert ins 02 m4 brass short INS125 INS121 INS 01&02 Headed Pin5 Headed Insert4 Half Taper Pin3 Grooved Pins Grooved Pins in DIN 1471, 1472, 1473, 1474, 1475, mild steel and stainless steel grooved pin dw 1472 3x16 stainless gib-head key Extractable Dowel, Male,Male4 Extractable Dowel Extractable Dowel with Slot6 Engineers Keys Engineering Pins, 1 drive pin hp210 4x10 Dowel with Holes12 INS 300,4 Dowel Pin Door Knob9 DIN 7978, 2 DIN 7977, 3 Diamond Pins3 Diamond Pin16 Diamond Pin, Double Ended5 Cotter Pin, 1 Coiled Pins 750x400 coiled pins Coiled Pin Clevis Pin5 Inserts 81 & 82, 1 Clevis Pin, 1 Clearance Spacers (2) Clearance Spacer, Spirol BLIND NUTS 750x400 Agricultural Pins, 1 20191126_141646_resized 20180508_113525_resized 20170928_125449 20170928_125320 20160216_134755 Parts made to customer specification Hex Head, Threaded Pins

Our technical datasheets have been compiled to give an overview of each of the fasteners we supply and manufacture. All our datasheets for pins, keys, spacers, dowels and inserts are printable and downloadable from our website Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances DATASHEETS Our technical datasheets have been compiled to give an overview of each of the fasteners we supply and manufacture. Please select a datasheet from the list below to print or download the document. Blind Captive Nuts Clearance Spacers Clevis Pins Coiled Pins Cotter Pins Custom Dowel Pins Dowel Pins Expansion Inserts Gib Head Keys Grooved Pins Hammer Drive Pins Linch Pins Manufacturing Capabilities Parallel Keys Retaining Pins Shaft Locking Pins Slotted Pins Taper Pins Threaded Inserts - 1 Threaded Inserts - 2 Threaded Spacers Ultrasonic Inserts Woodruff Keys Full Catalogue Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

By placing an order with Technifast Limited, you are accepting our terms and conditions of sale. About Us History of Techifast Meet The Team Quality/Statements Terms & Conditions Privacy/Website Policy Commodity Codes TECHNIFAST TERMS & CONDITIONS OF SALE By placing an order with Technifast Limited, you are accepting our terms and conditions of sale. 1. Item(s) quoted are subject to change due to raw material costs, parts being unsold and customs clearance. 2. The customer is responsible for ensuring their request for a quotation or any purchase order includes accurate and complete specifications and drawings. Technifast shall provide a quotation based on its understanding of the applicable specifications and / or drawings supplied by the customer. The customer shall ensure that that the quotation received from Technifast meets their specifications before a purchase order is submitted. 3. Delivery dates quoted on any documentation are an approximation only. Best endeavours will be made to meet quoted delivery dates and improve where possible, however, Technifast will not be liable for changes in delivery dates. Customers may be subject to a handling charge if they wish to cancel an order for parts that have come into stock sooner than anticipated. 4. For UK Mainland orders, a minimum order value of £10 applies. A minimum line value of £2.00 applies. All other countries, price on application. 5. All prices are quoted excluding Value Added Tax. Value Added Tax will be added to all invoices to United Kingdom customers. Delivery options and charges also apply: a. Standard Carriage & Packing: £7.50 for most UK mainland business addresses* / £30.00 for Northern Ireland b. Guaranteed Next Business Day Delivery: From £10.00* c. European Union: DAP/EXW* d. Rest of World: Ex Works* * subject to change without prior notice 6. For any shipments outside of mainland UK, we require an EORI number to be able to ship. Shipments to Northern Ireland also require the addition of a UKIMS number. Without this information, shipments may be delayed further than necessary. 7.Should additional services be required, charges apply: a. Certificate Of Conformity: £10.00 b. Zinc Plating: £50.00 c. Phosphate Plating: £50.00 NB If any other additional services or certification is required, please ensure this is requested at time of enquiry for Technifast to be able to quote accordingly. 8. All invoices shall be paid in full by the end of the month following delivery. 9. Goods shall remain the property of Technifast Limited until full payment is received. 10. Goods may only be returned by written agreement, other than where Technifast has supplied incorrect parts against a written order. 11. Technifast reserves the right to charge for handling of goods where the customer wishes to return parts through no fault of Technifast. This must be agreed in writing before any goods can be returned. 12. No claim for consequential loss or damage shall be accepted. 13. Technifast will not accept any claims for incorrect parts being supplied unless notification is received in writing within three months of despatch. 14. Cancellation or return of manufactured parts, special parts, large volume orders or orders over £200.00 will not be accepted once an order is placed, without prior written agreement and may be subject to a cancellation charge. 15. Parts made as a special (eg to customer drawing/specification) are subject to us over-shipping by up to 10% and under-shipping by up to 5% of the total quantity ordered without prior customer agreement. We will endeavour to never under-ship. Terms & Conditions reviewed 15 January 2025