SOCKET HEAD CAP SCREWS are typically manufactured from alloy steel, quenched and tempered for strength, usually with a plain black oxide finish.* Socket Head Cap Screws exceed Gr. 8 strength values, < 1/2" dia. have a minimum tensile strength of 180,000 psi, dia. > 1/2" are 170,000 psi. Length is measured from under the head.
Domestic or Import quality, vendors choice.
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* Zinc plated by special request, ask your rep to confirm availability.
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