Feature

How to measure a screw: A practical guide

Hey there! Patrick Faulkner, Lead Engineer at Accu here. Let's talk about how to measure a screw, specifically a cap head screw.

02/09/2024 16:42:41

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It’s pretty straightforward once you know what you're doing. In this quick guide, we’ll go over thread size, screw
length, head diameter, and head depth. Plus, I’ll give you a heads-up on why getting the thread pitch right is
super important and how measuring countersunk screws is a bit different.

Tools you'll need
Before we dive in, make sure you
have these tools handy:
1. Calliper: Digital or vernier, for precision
2. Ruler or measuring tape: For quick length checks

3. Thread pitch gauge: To get the thread pitch spot on
4. Magnifying glass: Useful for those tiny threads (optional)

Read the full article in DPA's September issue

Written By Sophia Bell

Sophia Bell is the Group Editor of DPA, Connectivity, and PBSI. She joined the team in 2020 as Assistant Editor after achieving a First-Class Honours BA in English Literature and Film Studies from the University of East Anglia. In her current role, she leads the editorial strategy, driving digital growth and ensuring each title continues to deliver trusted, relevant insight for engineering and manufacturing professionals.