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Hex Bolts-G001

Hex bolts (six sided heads) are the industry standard for fasteners with forged heads. ASTM A307 grade A bolts, all SAE hex bolts, and several other common specifications require a standard (finished) hex head. For specifications such as A307 grade B, A325 and A490 that require a heavy hex pattern, refer to dimensional tolerances for heavy hex bolts or structural bolts.


Portland Bolt manufactures hex bolts from 1/2" diameter through 2-1/2" diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions or bolt heads with your company's name and/or logo.

Standard Thread Length

Bolt lengths ≤ 6": Thread length = (2 X diameter) + 1/4"
Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"
Note: Most stock hex bolts longer than 12" in length will have 6" of thread.

Hex Bolt Drawing:


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