How to Read a Screw Thread Callout: 12 Steps (with Pictures)

Screws come in a wide variety of shapes and sizes, so thread callouts are used to help identify them. The first time you see a callout can be a little confusing, but it's pretty straightforward once you know what the numbers are meant to
Screws come in a wide variety of shapes and sizes, so thread callouts are used to help identify them. The first time you see a callout can be a little confusing, but it's pretty straightforward once you know what the numbers are meant to

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