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‘Why fasteners fail after passing the stress test’ - .PDF file.

When a fastener fails because of hydrogen embrittlement, the blame often tends to be unfairly pointed at the supplier. TR Fastenings, a manufacturer and distributor of industrial fastenings, has experienced various cases in the past where large bolted joints have passed the stress test, yet unexpectedly failed in service; however, this has been shown to be due to the way they have been used and not due to any manufacturing errors. If a bolt is designed to hold 100kg and 200kg is applied, it will break. Once installed and in service, environmental exposure can cause analogous situations when stressed above a threshold stress that causes time-delayed failure. Dr Louis Raymond is a materials scientist with more than 30 years’ experience as consultant, educator, diagnostician and forensic scientist. Here, he answers frequently asked questions related to the cause of fastener failures.

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TR Fastenings – The clear alternative

Multi-award winning global manufacturer and distributor of industrial fastenings and associated components. Est. 1973

Company Overview

TR Fastenings is a market leading global manufacturer and logistics distributor of industrial fastenings and high volume category C assembly components.

TR is a ‘full service provider’ giving End-2-End support to our customers, work with them from the early engineering & design stage right through to specification, manufacturing, quality and logistics.

Our worldwide operations span the UK, Ireland, Netherlands, Norway, Sweden, Germany, Hungary, Italy, Poland, Thailand, Singapore, Malaysia, China, Taiwan, India and the USA.

We have an annual output of 5 billion components to over 5000 customers in sectors including automotive, electronics & telecoms, general industrial, marine, home appliance and distributor sales.

General Information
TR Fastenings manufactures 33% of all components it sells. Our own brand products include Hank® rivet bushes, Hank® self clinch fasteners, screws for plastic, blind rivet nuts, Binx® self-locking nuts and security fasteners.

Our product range includes: general fasteners, sheet metal fasteners, fasteners for plastic, micro-diameter from M0.6, plastic fasteners, security fasteners, stainless steel & brass fasteners, adhesives & sealants and more.

For updates and the latest news on TR Fastenings visit www.trfastenings.com

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