4-40x1/2 Socket Head Cap Screw - Bag 10

A bag of 10 4-40x1/2 (12.7mm) hardened socket head cap screw. These have a 1/2" (12.7mm) 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 12.9 (176,900 psi!!!)