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Hex Head Machine Bolts, A307, Grade 5, Zinc, Yellow Zinc, Galvanized


Manufactured to ASME B18.2.1 specifications
An externally threaded mechanical device, 1/4 inch in diameter or larger, with a trimmed hex head. A hex head machine bolt does not have a washer face on its bearing surface or a machined point as does a hex cap screw.


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