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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 .

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 .

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 .

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

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 is an established supplier & manufacturer of specialist engineering fasteners and components certified to ISO 9001. Our large portfolio of precision fasteners spans pins, dowels, spacers, inserts, keys and custom made parts, which we reliably to industries Worldwide, at competitive prices Looking for precision? Technifast Delivers! sales@technifast.co.uk Looking for precision? 1/31 Learn About Our Standard Products Technifast est un fabricant et distributeur de pièces de fixation et de précision. Etabli en 1990, notre objectif a toujours été de fournir des pièces usinées de haute qualité adaptées aux exigences de nos clients. De plus, notre usine est en mesure de les fournir en grande ou petite quantité y compris les pièces non-standards ou faites selon plan. Nous sommes fiers de pouvoir offrir et mettre à disposition notre large gamme de produits à prix compétitifs, aux revendeurs de composants specialisés ainsi qu’un service rapide et efficace. Environ 90% des pièces standards que nous offrons sont en stock et peuvent être expediées le même jour. Les délais de production pour les pièces hors-standards sont courts. Par conséquent, nos clients à l'échelle internationale, continuent de nous faire confiance pour leurs demandes de pièces de précision. Learn About Our Manufacturing Capabilities Une Division de Technifast est spécialement consacrée à la production de petites pièces de décolletage usinées grâce à nos machines CNC qui permettent une excellente précision et finition de surface. La plupat de nos goupilles et pièces décolletées sont fabriquées en inox y compris la qualité marine 316. Nnous utilisons d’autres matières et alliages de matériaux tels que l’acier carbone, l’acier doux et le laiton. Nous pouvons produire des pièces jusqu’à 32 mm de diamètre. Une Division de Technifast est spécialement consacrée à la production de petites pièces de décolletage usinées grâce à nos machines CNC qui permettent une excellente précision et finition de surface. La plupat de nos goupilles et pièces décolletées sont fabriquées en inox y compris la qualité marine 316. Nnous utilisons d’autres matières et alliages de matériaux tels que l’acier carbone, l’acier doux et le laiton. Nous pouvons produire des pièces jusqu’à 32 mm de diamètre. Aucun post publié dans cette langue actuellement Dès que de nouveaux posts seront publiés, vous les verrez ici.

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

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 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

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 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 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 Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. ISO 9001:2015 Quality Certificate RoHS REACH PFAS Conflict Materials CMRT Rev 6.5 Employee & PL Certificate Modern Slavery Statement EU-Regulation 833/2014 CBAM Statement IRQAO Registration Certificate Supplier Questionnaire

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.

We offer a precision fasteners product portfolio of over 5,000 components, supplied in steel, stainless steel and brass. Dowels, Grooved & Taper Pins Pins Inserts Engineers Keys Spacers Other Products PRODUCTS OVERVIEW Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci. Dowels, Grooved & Taper Pins Engineers Keys Pins Spacers Inserts Other Products Manufacturing Capabilties Cette page est actuellement en construction. Veuillez contacter ventes@technifast.co.uk avec vos demandes de renseignements, merci.