Where to start
When trying to identify the specifications of a bolt, it can be a bit confusing.
Ideally you will have a pair of vernier calipers to hand, although we appreciate not everyone has access to these.
For this reason we have created a guide to assist you. Please print out the guide below and follow instructions carefully.
How To Measure a Bolt Printable PDF
*Please note, when printing out this guide, ensure you print on A4 paper and DO NOT SCALE in the printing options*
If you have any queries and concerns please get in touch via email to adam@httf.co.uk.