--- title: FAQ For Bi-Fix Quarter Turn Fasteners | JET PRESS description: Discover answers to common questions about Bi-Fix Quarter Turn Fasteners, including installation, materials and applications at JET PRESS. --- [![Jetpress](https://info.jetpress.com/hubfs/raw_assets/public/Jet_Press_June2021/images/logo.svg "Jetpress")](https://www.jetpress.com/) - [About Us](https://www.jetpress.com/about-jet-press) - [Products](https://www.jetpress.com/component-and-fastener-products) - [Samples & CAD](https://info.jetpress.com/samples-and-cad-files) - [Industries](https://www.jetpress.com/fasteners-and-component-supplier) - [Our Capabilities](https://www.jetpress.com/jetpress-capabilities) - [News and media](https://www.jetpress.com/news-and-media) - [Case Studies](https://www.jetpress.com/case-studies) - [Contact Us](https://www.jetpress.com/contact-us) ![english](https://info.jetpress.com/hubfs/english.png "English") [![english](https://info.jetpress.com/hubfs/english.png "English")](https://www.jetpress.com/en) [![german](https://info.jetpress.com/hubfs/german.png "German")](https://www.jetpress.com/de) Search - 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[Security Products](https://www.jetpress.com/component-and-fastener-products/security-products) Search - [Home](https://www.jetpress.com/) - [Industries](https://www.jetpress.com/fasteners-and-component-supplier) - [Services](https://www.jetpress.com/services) - [News and media](https://www.jetpress.com/news-and-media) - [Case Studies](https://www.jetpress.com/case-studies) - [Testimonials](https://www.jetpress.com/testimonials) - [Contact Us](https://www.jetpress.com/contact-us) - [Brands](https://www.jetpress.com/fastener-and-component-brands) - [About Us](https://www.jetpress.com/about-jet-press) - [Samples](https://info.jetpress.com/free-samples) - [Video Archive](https://www.jetpress.com/news-and-media/video-archive) - [Frequently Asked Questions](https://info.jetpress.com/frequently-asked-questions) - [Downloads](https://www.jetpress.com/downloads) Contact us [+44 1623 551 800](tel:+441623551800) [mailto:webenquiries@jetpress.com](mailto:webenquiries@jetpress.com) # FAQ FOR BI-FIX Frequently Asked Questions for Bi-Fix Quarter Turn Fasteners Here you will find the most frequent questions we receive regarding our range of B-Fix Fasteners. If you require any further information, please contact our sales team on +44 1623 551 800 or email webenquiries@jetpress.com ###### [Q1 What are Bi-Fix QUARTER TURN Fasteners?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q1) ###### [Q2 What are bi-fix fasteners used for?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q2) ###### [Q3 How can Bi-fix Fasteners benefit me?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q3) ###### [Q4 What materials are the Bi-Fix QUARTER TURN Fasteners available in?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q4) ###### [Q5 WHAT MATERIALS ARE THE BI-FIX QUARTER TURN clips AVAILABLE IN?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q5) ###### [Q6 WHAT MATERIALS ARE THE BI-FIX QUARTER TURN Washers AVAILABLE IN?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q6) ###### [Q7 WHAT can prevent the marking or scuffing of a panel when turning the stud?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q7) ###### [Q8 how to determine washer thickness?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q8) ###### [Q9 CAN I USE A WASHER WHEN I AM OPERATING OVER 90°C?](https://info.jetpress.com/faq-for-bi-fix-quarter-turn-fasteners#q9) --- ##### . ##### Q1 What are Bi-Fix QUARTER TURN Fasteners? The Bi-Fix Quarter Turn Fastener consists of 3 parts: - The Stud, which is located in the loose panel. - The Washer, which is used for retention of the stud and vibration resistance. - The Spring Clip, which is installed permanently into the shell framework, and is designed to ensure that the stud is ejected automatically when turned 90º. The Bi-Fix Quarter Turn Fastener is manufactured in 3 size series, 8mm, 11mm or 16mm. --- ##### . ##### Q2 What are bi-fix fasteners used for? The Bi-Fix Quarter Turn Fastener can be used wherever two elements have to be fastened and detached in a quick and safe manner. Bi-Fix is ideal for any application where panels, doors or hatches are continually opened or removed for maintenance or security. --- ##### . ##### Q3 How can Bi-fix Fasteners benefit me? The Bi-Fix Quarter Turn Fastener is safe and easy to use. When unlocking or locking you only require a quarter turn or a simple push. This saves you time and more importantly costs. --- ##### . ##### Q4 What materials are the Bi-Fix QUARTER TURN Fasteners available in? Brass. --- ##### . ##### Q5 What materials are the Bi-Fix QUARTER TURN Clips available in? Stainless Steel and Spring Steel. --- ##### . ##### Q6 What materials are the Bi-Fix QUARTER TURN Washers available in? Brass/Nickel Plate, Nylon/Black. --- ##### . ##### Q7 What can prevent the marking or scuffing of a panel when turning the stud? This Bi-Fix range of Quarter Turn Cup Washers are fitted between the stud head and the panel and are designed to prevent marking or scuffing of the panel when turning the stud. --- ##### . ##### Q8 How to determine Washer thickness? To determine the thickness of the washer required (dimension T), add thickness of the fixed part (dimension B) to the free space between panels (dimension C), and then add 25%. Choose standard washer nearest to this dimension. Thickness of the washer T = (B + C) x 1.25. Please note that the thickness of the washer includes the free space. As shown in the drawing, the assembly is solidly fixed and resists vibration and lateral movement.   ![bifix\_line\_1](https://info.jetpress.com/hs-fs/hubfs/bifix_line_1.jpg?width=397&name=bifix_line_1.jpg) --- ##### . ##### Q9 Can I use a Washer when I am operating over 90°C? When Bi-Fix is to be used at temperatures exceeding 90ºC, a conical wire spring can be used instead of the washer. --- Speak to our Experts   [![Jetpress](https://info.jetpress.com/hubfs/raw_assets/public/Jet_Press_June2021/images/logo-w.svg "Jetpress")](https://www.jetpress.com/) ### Newsletter sign up ## [Contact Us](https://www.jetpress.com/contact-us) [T.+44 1623 551 800](tel:+441623551800) [E.webenquiries@jetpress.com](mailto:webenquiries@jetpress.com) [\> UK](https://www.jetpress.com/contact-us?o=1) [\> Germany](https://www.jetpress.com/contact-us?o=5) --- ### General - [About Us](https://www.jetpress.com/about-jet-press) - [Careers](https://www.jetpress.com/about-jet-press/careers-at-jet-press) - [News and media](https://www.jetpress.com/news-and-media) - [Contact Us](https://www.jetpress.com/contact-us) ### [Products](https://www.jetpress.com/component-and-fastener-products) - [Fasteners](https://www.jetpress.com/component-and-fastener-products/fasteners-and-components) - [Access Hardware](https://www.jetpress.com/component-and-fastener-products/access-hardware) - [Industrial Hardware](https://www.jetpress.com/component-and-fastener-products/industrial-hardware) - [Furniture Fasteners and Components](https://www.jetpress.com/component-and-fastener-products/furniture-fasteners-and-components) - [Kitchen, Bedroom and Bathroom KBB Products](https://www.jetpress.com/component-and-fastener-products/kitchen-bedroom-and-bathroom-kbb-products) - [Security Products](https://www.jetpress.com/component-and-fastener-products/security-products) ### [Services](https://www.jetpress.com/services) - [Bespoke Development](https://www.jetpress.com/services/bespoke-fasteners-and-components) - [Specialist Engineers](https://www.jetpress.com/services/engineered-fasteners) - [Warehousing](https://www.jetpress.com/services/fastener-and-component-warehousing) - [Consignment stock](https://www.jetpress.com/services/fastener-and-component-stock-management) - [Special Packaging](https://www.jetpress.com/services/fastener-and-component-packaging) - [Kits and Assemblies](https://www.jetpress.com/services/fasteners-and-components-kit-assembly) - [Global Sourcing](https://www.jetpress.com/services/global-fasteners-and-component-sourcing) - [Special Materials](https://www.jetpress.com/services/specialist-fasteners-and-components) - [Samples](https://www.jetpress.com/services/component-samples-and-fastener-samples) ### [Terms](https://www.jetpress.com/terms-of-use) - [Terms of use](https://www.jetpress.com/terms-of-use) - [Terms of sale](https://www.jetpress.com/terms-of-sale) - [Privacy and Cookie Policy](https://www.jetpress.com/privacy-and-cookie-policy) - [Environment](https://www.jetpress.com/about-jet-press/environmental-policy) © COPYRIGHT JET PRESS 2026 [**\>** Order on-line at **Components Direct**, part of the JET PRESS Group **Components Direct**](https://www.comdir.co.uk/) Back To Top