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Technifast is an ISO:9001 registered company, undepinning our reliability as we continually monitor and manage quality across all our operations. About Us History of Techifast Meet The Team Quality/Statements Commodity Codes QUALITY STATEMENTS / CERTIFICATES Technifast is an ISO:9001 registered company, underpinning 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. Additionally, as a member of the British & Irish Association of Fastener Distributors (BIAFD) we reinforce our dedication to excellence in the engineering sector. Trust Technifast for all your fastener needs and experience our unwavering commitment to quality. ISO 9001:2015 Quality Certificate BIAFD Certificate Employee & PL Certificate IRQAO Registration Certificate Supplier Questionnaire Conflict Materials CMRT Rev 6.5 RoHS Modern Slavery Statement REACH CBAM Statement EU-Regulation 833/2014 PFAS

Every application is different, but here we show a little bit of information that might help Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances PIN ECONOMICS Every application is individual, but the following information acts as a guide on choosing the correct pin for your requirements. The pin must perform its required function. Economic factors only come into play in choosing the pin that meets the technical needs of the particular application. Typical considerations include: Where the maximum possible resistance to static shear loads is required, then a through hardened solid steel dowel has the most strength. If space permits, a larger diameter of other types of pin can be considered. Remember, a small increase in the diameter of the pin makes a large difference to the strength. Where the maximum possible resistance to vibration is needed, avoid spring pins and use either grooved pins to DIN 1473 (full length parallel grooves) or a hardened dowel fitted to the tightest possible tolerances. For resistance to corrosion, stainless is preferred to zinc or other plated finishes, except where the problem is galvanic corrosion between the pin and the components into which the pin is to be inserted. Plated finishes offer limited resistance to atmospheric, marine or chemical corrosion as the plated surface is liable to damage during insertion and in the case of spring pins and cotter pins the inside surfaces are not fully protected. For most commercial purposes, A1/A2 grades of austenitic stainless (303, 304) are sufficient to give good protection and are commercially available in most types of pin. For marine or chemical resistance, A4 grades such as 316 are essential, but this limits the choice of pin as A4 is not readily available in all types of pin. The shear strength of austenitic stainless is lower than that of hardened steel so if the application requires both corrosion resistance and high strength a larger diameter should be considered For hinge applications where the pin will be subject to friction from rotation avoid slotted spring pins as the open slot can cause wear. For applications where the pin will require regular removal for purposes of repair or adjustment, consider extractable dowels (DIN 7979) or extractable taper pins (DIN 7977 or 7978). For safety-critical applications, avoid any form of electrolytic plating as the process to remove hydrogen embrittlement resulting from such plating is not fully reliable. Where considerations of hygiene are important, such as with food processing equipment, solid pins (dowels, grooved or taper) are preferred as dirt retention is avoided. Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

For thirty years, Technifast has served the requirements of engineers who call or visit our website. If you would like any additional information about the products or services we offer, or want a tailored quotation for a specialist turned component, we’d like to hear from you. About Us History of Techifast Meet The Team Quality/Statements Commodity Codes Technifast is an established distributor and manufacturer of precision engineered components and fasteners. Formed in 1990, our ethos has always been to assist our customers with the provision of fasteners that meet the specific requirements and high quality they demand. In addition, our manufacturing division provides high-volume machined and turned parts, plus a low-volume prototype service for bespoke or custom made precision engineered components. We pride ourselves on making life a little easier for purchasers of specialist components by offering a vast product portfolio at competitive prices. This coupled with an efficient service and timely delivery, with over 90% of orders available for same day shipping, means that companies across the globe continue to trust Technifast with their precision engineered component requirements.

Double Shear figures serve mainly to compare the relative strengths of different types of pin, or different diameters of the same type of pin. Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances SHEAR STRENGTHS Double Shear figures serve mainly to compare the relative strengths of different types of pin, or different diameters of the same type of pin. The conditions prevailing in a given application usually differ from test conditions. The test itself is carried out according to ISO 8749 and records the maximum load the pin will withstand before fracture. In practise, manufacturers’ figures provide the minimum load without any safety margin. Consequently shear figures are a design guideline and not a guarantee of performance. The figures given elsewhere across our website and datasheets are for double shear applications. Where a pin is used in single shear, the values should be halved. It is important to note that figures given based on testing to ISO 8749 do not allow for the effect of dynamic (shock) loads or bending moments. Specifically the test stipulates the following restrictions: - The clearance between the two pieces of the test block must not exceed 0.15 mm in order to maintain a straight line of shear. This is important in that in an assembly where the holes in the mating components are deeply countersunk, (even if the components themselves are flush) there will not be a straight line of shear and the resulting bending moment will reduce the shear strength. The shear planes must be at least one pin diameter from the end of the pin, and at least two diameters apart. The load must not be applied at a rate in excess of 13mm/min. In other words this is a test for static shear loads, not dynamic. Where an engineering application includes conditions that are not covered by the ISO 8749 test, the following guidelines may be used. Where there are dynamic loads, a coiled pin will perform better due to its shock-absorbing features. Where there is a bending moment of some significance a hardened solid pin is preferable, either through hardened for maximum shear strength or case hardened where less shear strength but more resistance to bending moments is required. Where there is a high level of vibration, a grooved pin will have the maximum retention provided it is of the full-length parallel grooved type (DIN 1473). Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

Join Technifast as we celebrate 30 years in the fastener industry. We’ll be reflecting throughout our anniversary year with a unique look at the company’s history from our employee’s perspective and looking at how the precision engineering industry has evolved since 1990. About Us History of Techifast Meet The Team Quality/Statements Commodity Codes HISTORY OF TECHNIFAST The Story of Technifast: Dedication and Precision Through the Years From Family Foundations to Industry Excellence Where It All Began Technifast’s journey commenced in 1990, founded as a family-owned and operated company by John Speed. From its earliest days, the company established its home in Corby, Northamptonshire, relocating there in 1991. Technifast quickly earned a reputation for supplying precision engineered fasteners and components to a wide range of industries. A Commitment to Service and Quality Central to Technifast’s ethos has always been the unwavering drive to provide an excellent level of service, quality, and value. John Speed articulated this guiding principle: “All along our principle has been to provide a level of customer service, making life as easy as possible for our customers to encourage them to come back to us the next time they have a need for our products.” This philosophy remains the heart of the company’s approach, fostering lasting relationships with customers and ensuring repeat business. Growth and Team Spirit As business flourished during the early 1990s, Technifast expanded its operations, building a dedicated team of sales staff and warehouse personnel to support its growing customer base. Long-standing clients will remember Carol Evans, a vital member of the Technifast family throughout the 1990s and 2000s. Today, Suzanne, Sharon, and David continue to be integral to the company, exemplifying Technifast’s commitment to its employees. With over 200 years of combined experience amongst the team, the company takes great pride in nurturing and valuing its staff. Investing in the Future Rising demand for custom-made, precision-turned components led John and his team to invest in advanced manufacturing capabilities. In 2005, Technifast relocated to larger premises to facilitate its evolution from a fastener supplier to a respected manufacturer of precision engineered components and CNC turned parts. This move marked a natural progression and signaled the company’s readiness to embrace new opportunities. Adapting and Advancing By 2020, Technifast’s established manufacturing division was working proactively with customers, producing bespoke fasteners for applications in industries as diverse as automotive and aviation. Despite the growing scope and complexity of its operations, Technifast never wavered from its commitment to delivering consistent quality and excellence in service. A Legacy of Achievement Navigating the challenges of the past five years has demonstrated Technifast’s resilience and dedication. Reaching the milestone of 35 years in operation is a remarkable achievement, underpinned by the hard work of the entire Technifast team and the company’s ongoing investment in improvement and innovation. Looking Ahead As the world continues to change, so too does Technifast. With a spirit of continuous improvement and the support of a passionate, experienced team, the company is confident in its ability to meet the challenges of the next 35 years and beyond. Technifast’s story is one of family values, employee loyalty, and an enduring pursuit of excellence—qualities that will surely guide its future successes.

Technifast distribute and manufacture engineers keys and machine keys, including round and square headed parallel keys, woodruff keys and gib head keys, available in metric and inch sizes. Read more on the advantages of engineers keys. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products DIN 6885 DIN 6888 DIN 6887 ENGINEERS KEYS Technifast provide a varied range of keys including round end, square end and one round/one square end parallel keys (also known as feather keys), woodruff keys and gib head keys which are available in metric and inch sizes. We also supply key steel in either 300mm or 1000mm lengths in C45k material and 316 (A4) stainless steel. In addition to our standard key ranges, our manufacturing division can produce keys with special dimensions on tolerances, keys with chamfered edges, tapped holes or cut-outs. Contact us for more information. Parallel Keys Woodruff Keys Gib Head Keys 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

Commodity Codes for Products Technifast supplied by Technifast Ltd About Us History of Techifast Meet The Team Quality/Statements Commodity Codes TECHNIFAST PRODUCTS COMMODITY CODES Below is a general list of the products supplied by Technifast and their commodity code. Country of Origin is not always the same so we are unable to provide this as a general statement, but is shown on quotations/order acknowledgements/advice notes/invoices Unthreaded Dowel Pins = 73 18 29 00 90 Threaded Dowels (extractable) = 73 18 19 00 90 Unthreaded Taper Pins = 73 18 29 00 90 Threaded Taper Pins (extractable) = 73 18 19 00 90 Grooved Pins = 73 18 29 00 90 Slotted Spring Pins = 73 18 29 00 90 Coiled Spring Pins = 73 18 29 00 90 Cotter Pins = 73 18 24 00 90 Retaining Pins (R-Clips) = 73 18 24 00 90 Clevis Pins = 73 18 29 00 90 Linch Pins = 87 08 99 97 90 Shaft Locking Pins = 87 08 99 97 90 Clearance Spacers (metal) = 73 18 29 00 90 Clearance Spacers (nylon) = 39 26 90 97 90 Threaded Spacers, Male/Female and Female/Female Mild Steel, Zinc Plated = 73 18 15 82 00 Threaded Spacers, Male/Female and Female/Female Brass, Nickel Plated = 74 15 33 00 00 Threaded Spacers, Male/Female and Female/Female Stainless Steel = 73 18 15 75 00 Threaded Spacers, Male/Female and Female/Female Aluminium = 76 16 10 00 00 Studding Connectors = 73 18 19 00 90 / 84 87 90 59 90 Brass Inserts = 74 15 39 00 00 All other Inserts = 73 18 19 00 90 Engineers Keys (Parallel/Woodruff/Gib-Head) = 73 18 24 00 90 All other Items - Threaded Parts = 73 18 19 00 90 All other Items – Non Threaded Parts = 73 18 29 00 90 https://www.trade-tariff.service.gov.uk/sections

Blind captive nuts are produced by Technifast with white or black nylon cages and brass or stainless steel inserts in sizes from M3 to M6. We can also supply blind nuts in many imperial thread sizes. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products BLIND CAPTIVE NUT KNURL NUT OTHER PRODUCTS We also stock other products that don't fall into a specific category range listed. If you're not quite sure what a particular part might be know as, please view our gallery , where you can click on the required item and it will take you to the relevant product page. Alternative, please don't hesitate to contact our sales team who will help identify your needs. Blind Captive Nuts 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

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Information about the different finishes available for Technifast products only Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances PLATING & FINISHING Technifast can manufacture precision fasteners and components such as pins, dowels, spacers, inserts and engineers keys with a range of coatings, plating and finishes. Depending on the application, components can be plated to improve resistance to corrosion, provide a uniformed surface or made decorative. Read on to discover some of the coating techniques used on precision engineered parts. We work with respected and established plating and finishing partners to provide a high-quality service, which we offer as part of our manufacturing service. ** Please note, these services are outsourced and can only be offered in conjunction with parts supplied by Technifast ** Zinc Plating Zinc plating is a process which is well-suited to hardened steel base materials. It provides a very bright finish and usually incorporates a clear chromate treatment to increase corrosion resistance. Zinc plating is an established technique for small, precision engineered fasteners. Due to the continued and unpredictable risk of failure, customers should be aware of the risk of subjecting high tensile fasteners to an electrolytic process, and to avoid this risk wherever possible. The responsibility for assessing whether electro-zinc plated high tensile fasteners should be used in a particular application remains with the end-user, in liaison with the design authority. Nickel Plating Nickel plating is a cost-effective and commonly recognised technique in the manufacture of specialist components. It is used to improve the hardness of the base material, whilst making it more resistant to both wear and corrosion. Zinc Nickel Plating Zinc Nickel plating is one of the most popular plating methods, providing a finish which is suitable for steel and brass components. It is widely used in the fastener industry to offer improved protection from corrosion and as a more environmentally-friendly alternative to cadmium plating. Electroless Nickel Plating This is a very common form of electroless coating. An electroless nickel finish offers outstanding corrosion protection combined with a natural lubricity. This results in a surface finish that is uniform across the high-precision components that Technifast manufacture and supply. Stainless Steel Passivation A stainless steel base material is naturally resistant to corrosion. However, stainless steel is not completely unaffected by rust, and the passivation process can improve the resilience to oxidisation by eradicating the free iron from the stainless steel to further help protect against corrosion. Decorative Chrome Plating This is a technique that can also be referred to as nickel-chrome plating and is used to give an attractive finish to a variety of applications. It is popular for components which will be ‘on show’, but it is also hard wearing and stain resistant. Geomet® 500 Coating Geomet® 500 was formed specifically with integral lubricant for coating fasteners, to assist in assembly and to give a consistent tightening performance. Fasteners coated with Geomet® 500 have a silver/grey metallic appearance. They are also electrically conductive, making them a suitable choice for most applications. Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

Technifast coiled & slotted spring pins, cotter pins, R-clips, linch pins, shaft pins, clevis pins, grooved pins, dowels & taper pins. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products COILED PINS SLOTTED PINS CLEVIS PINS COTTER PINS RETAINING PINS LINCH PINS SHAFT LOCKING PINS HAMMER DRIVE PINS PINS Technifast supply a large selection of engineering pins for different applications. The range includes spring pins, cotter pins, R-clips, linch pins and clevis pins. The range of pins covers several standards and materials, including steel, stainless steel (301/302/303/304/316), mild steel and brass. We hold large stocks of most of our pins, and will quote quickly on non-stocked, standard items. If you have a special requirement, we have the capabilities to manufacture pins to a customer drawing or specification. Contact us for a free quote. Coiled Pin Data Sheet Slotted Pin Data Sheet Clevis Pin Data Sheet Cotter Pin Data Sheet Retaining Pin Data Sheet Linch Pin Data Sheet Shaft Locking Pins Data Sheet Hammer Drive Pins Data Sheet Pin Economics 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 supply spacers & standoffs in both clearance and threaded form. We also provide hexagonal studding connectors in thread sizes M5 to M36, threaded full length and hold stock of the majority of the range. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products ROLLED SPACERS TURNED SPACERS THREADED SPACERS (FEMALE) THREADED SPACERS (MALE) STUDDING CONNECTORS CLEARANCE & THREADED SPACERS Technifast offer a standard range of spacers in both clearance and threaded form. Spacers are normally used to allow two parts of an assembly to be fastened together at a controlled distance from each other. We stock a wide range of mild steel, mild steel zinc-plated and stainless steel clearance spacers. The portfolio includes closed-seam rolled spacers, turned spacers - plus we also provide moulded spacers, which are available in nylon. Technifast’s threaded spacer and standoff ranges form integral components in a wide variety of assembly applications, spanning industries such as automotive, aviation and most commonly, electronic hardware. Threaded spacers and standoffs are frequently used to create a specified space between two objects and to properly position parts within an assembly. The threaded spacers and standoffs supplied by Technifast are available with a rounded or hex exterior, which allows for easy tightening by hand or with a wrench. The majority of our standard range is stocked in our warehouse facility, ensuring we can meet the demands of customers quickly and cost-effectively. Standard nominal thread sizes range from M4 through to M12 in the round threaded spacer, with outside diameters from 7mm to 15mm. The size range of standard hexagonal threaded spacers spans from M2 to M6 with outside diameters from 4mm to 10mm. Threaded spacers and standoffs are available in three configurations: male/female, female/female and male/male (made to customer specification). We also provide hexagonal studding connectors in thread sizes M5 to M36, threaded full length and PCB Spacers used in electronic circuit boards. We hold stock on the majority of the spacers, pillars and connectors we offer or can manufacture them to a customer drawing or specification. Contact us now to discuss your requirements Clearance Spacers Data Sheet Threaded Spacers 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