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Recommened hole size guidance for Technifast products Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances RECOMMENDED HOLE SIZES It is important to follow the hole diameter instructions given by the various manufacturers and standards organisations, and the data given on our website and datasheets comes from these sources. However, the user should decide in the circumstances of a particular application which hole size, within the permitted tolerance range, to adopt as this can effect the performance of the pin considerably. The general principle is that the inserting pin or dowel requires significantly more force at the bottom of the hole tolerance range than at the top. This has the following implications;- The higher insertion force required, the more difficult the assembly operation, and risk of damaging or over-stressing the area of the material surrounding the hole is greater The harder the pin is to insert, the more firmly it will stay in place so in applications where vibration is a consideration, it may be worthwhile to use a minimum hole size. Where an interference fit is required (as opposed to a sliding or clearance fit) the dowel must be precision ground and the hole must be reamed. The relationship between the diameter of the pin and the diameter of the hole must take into account the ductility of the dowel and the hole material and will vary more accordingly to this factor than according to the size of the dowel itself. Visit our product pages or datasheets to access the required recommended hole size for each product. Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. Parallel Keys Woodruff Keys Gib Head Keys CONTACT US 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!

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

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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. 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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci.

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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. Datasheets Recommended Hole Sizes Material Specifications Shear Strengths Pin Economics Standards Plating & Finishing Tolerances

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'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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. 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

Explore our comprehensive range of products with precise pin and hole tolerance. Contact Technifast for all your pin and hole tolerance needs. Datasheets Material Specifications Pin Economics Plating & Finishing Recommended Hole Sizes Shear Strengths Standards Tolerances TOLERANCES The table below shows the plus and minus tolerance data for the more common tolerances within our product range. We can quote to produce parts in different tolerances within our manufacturing facility. Contact us for more information . Should you require any further information, please do not hesitate to contact us on +44 1536 461140 or sales@technifast.co.uk .

Get competitive quotes on precision fasteners and bespoke turned components. Contact Technifast, we offer large discounts on volume orders sales@technifast.co.uk or 01536 461140 CONTACT TECHNIFAST Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. CONTACT US 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!

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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. Clearance Spacers Data Sheet Threaded Spacers Data Sheet CONTACT US 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!

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 .

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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. 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 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!