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Cotswold Engineering Supplies – Thread ID

Cotswold Engineering Supplies Online Store – Your one-stop shop for all your Hydraulic, Pneumatic and Engineering Supplies.

A Simple Guide to Couplings 
and Thread Identification



It’s easy to use and will help you identify most of the common couplings and types of thread in use today.

No matter where your equipment originates, this guide will help you to tell the difference and ensure that the part you order will fit correctly.


It also has a useful conversion chart.



All you have to do is to register and you'll be taken to the download page.

<.CotswoldRed>Register NOW to download the Thread Identification Booklet


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Thread Identification Booklet