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1/4-20 Grade 5 Hex Head Cap Screws
![](https://cdn11.bigcommerce.com/s-fd9xotfhbf/images/stencil/1280x1280/n/apidoigvu__39695.original.jpg)
The length of a cap screw is measured from the under-head bearing surface to the extreme end of the screw.
(FT)=Full Thread | (PT)=Partial Thread
Thread Length on a 1/4-20 bolt is approx. 3/4"