A bag of 10 4-40x3/8 (9.5250mm) hardened Button head socket screw.
These have a 3/8" (9.5250mm) long shaft measured from under the head to the end. Note: It is recommended to use Loctite on all screws that fix into metal to inshore a firm fixing.
Grade 10.9 (150,800 psi!!)
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