At Arun Fasteners we are often asked about the thread length on differing size Hex Head Bolts.  Below is a helpful guide. NOTE: It is

  New stock In 2021 we were lucky enough to purchase 8 tonnes of British steel fasteners. Approached by a farmer’s family in Cheshire, and

We are often asked what size hex Allen key wrench will fit a certain socket screw. Below is a conversion chart to help: Metric Socket

Most metric High Tensile (HT) nuts and bolts are produced in three grades, with the exception of mild steel. Mild steel Grade 4.8 is the