Strength of a 316 PH Machine Screw 1/4x20 ?

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Dave W

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First recorded activity by BoatBanter: Jul 2006

Posts: 41

Strength of a 316 PH Machine Screw 1/4x20 ?

The root diameter of a 1/4-20 screw is .201 inches and the min. yield
strength is (18-8 SS screw) 40,000 psi which, when combined with a safety
factor of 5 gives 254 lb safe load (depending on what is screwed into).

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