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Square Bolts
ASME B18.2.1 & SAE J429 specifications
Square bolts with a trimmed square shaped external wrenching head, and externally threaded machanical device 1/4" diameter or larger.
Material & Hardness:
Carbon steel, Stainless steel
Bolts of a length less than 3 times diameter: Rockwell B85-95
Bolts of a length 3 times diameter and longer: Rockwell B100 max.
Finish:
Zinc plated, Plain, Black oxidized, HDG, Dacrotized
Diameter: 1/4" - 1 1/2"
Length: 3/8" - 12"
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