Fastener Industry Technical Articles

Technical Articles Archive

Features and benefits of ArmorGalv® thermal zinc diffusion

19th April 2017
By Michael J. Pasko
Ref: Ref: FFT170419

Thermal diffused zinc, a finishing process historically known as sherardising,has been used for corrosion protection of metal parts for over a century…

Determining the effect of lubrication on the security of bolted joints

11th April 2017
By Holly B. Martin
Ref: FFT170411

Lubricants provide many benefits to a bolted joint. They ease the amount of energy required to tighten the bolt; they provide better wear resistance; …

How different blanking technologies may influence the final performance of the retaining ring

5th April 2017
By By Ruben Limonta, technical engineer,
Ref: Ref: FFT170405

Any quality oriented manufacturer of retaining rings should assess the most appropriate production technology for its specific range of products. Stee…

Compression spring design and general considerations

20th March 2017
By Chris Petts, managing director, Lee Spring UK
Ref: Ref: FFT170320

Stress, set and weight should be important considerations in establishing a custom spring design that need to be understood at the outset. Here, Chris…

Chemical versus mechanical anchors – the pros and cons

6th February 2017
By Mark Salmon, Independent Fixing Consultants
Ref: FFT170130

Those responsible for choosing fixings for any application – let alone ones that are safety critical – are faced with a bewildering array of fixing sy…

Clever fastening by forming

14th December 2016
By Dr Peter Standring, Industrial Metalforming Technologies (IMfT)
Ref: FFT161213

That we live in a digital age is apparent by the sight of so many of our fellow humans being glued to their smartphones. Yet it is barely half a centu…

Why friction in screw connections is crucial for process capability

11th October 2016
By Martin Rüedy, Bossard expert team
Ref: FFT161005

Lean production is the current trend and represents even leaner and more target oriented processes.

Solutions for higher efficiency, lower consumptio…

Can screws be reused?

10th August 2016
By Martin Rüedy, fastener expert team, Bossard Group
Ref: FFT160810

The reuse of screws after operational use is not to be recommended for two main reasons: The use of ‘state of the art’ products and the requirements f…

Dephosphating of high strength components before heat treatment

13th July 2016
By Stefan Lenzer, global product manager metallurgy, MacDermid GmbH
Ref: FFT160713

High strength fasteners must be dephosphated before heat treatment to prevent phosphate residues having a negative influence on the performance of the…

What is corrosion?

18th May 2016
By Doug Jones, expert team, Bossard Group
Ref: FFT160518

In some cases corrosion can be seen as pleasing, such as a light patina on a copper watering can used for decoration, but most of time we like to prev…