Nuts & Bolts - Frequently Asked Questions

This guides and tips section has many articles that should answer your questions about our threaded rod range. If you cannot find the answer to one of your questions here, please don't hesitate to contact us!

Can BSW and UNC threads be interchanged?

Are you are struggling to find a BSW thread (British Standard Whitworth) or a UNC thread (Unified National Coarse). If so, not to worry, they are interchangeable.

What is the Difference Between A2 and A4 Stainless Steel?

Stainless steel comes in different varieties, commonly referred to as grades. The most common grades that we come across in the fasteners industry are called A2 and A4. Find out more.

Can High Strength Fasteners be Plated

We are often asked about the electro plating of high strength fasteners. Find our what electro plating is and how it works.

What is European Standard EN 10204 3.1?

EN 10204 3.1 is an engineering standard. Sometimes referred to as a 3.1 certificate, it confirms that the product being manufactured is fully compliant. Find out more.

How is the Length of a Bolt or Set Screw Measured?

Want to know the best way to measure a bolt or set screw? For almost all types of bolts and set screws there is a general rule. Find it here.

How Long is the Thread Length of a Metric Bolt?

Take a look at a rule of thumb that you can use to determine the length of the part of a metric bolt that is threaded. Find out more.

What is the Difference Between a Castle Nut and a Slotted Nut?

The main difference between castle and slotted nuts is found on the turret end section where the split pin is found. Find out more.

What Size Thread are Car Seat Belt Bolts?

In the fasteners industry we supply fixings and fasteners to a great many mechanics and car restorers. One question that we are frequently asked is regarding the size of seat fasteners.

What is The Difference Between a Hexagon Die Nut and a Standard Split Die?

If you need to cut or repair a thread, it is important to understand the difference between a hexagon and a split die. Take a look.

Are Nyloc Nuts Reusable?

Unsure if your Nyloc Nuts are one-time use? This guide explores the reusability of nyloc lock nuts and offers alternatives for ultimate project security.