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Hex Bolts

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.
MANUFACTURING
QIFENG HARDWARE manufactures hex bolts from 1/2" diameter through 2-1/2” diameter in most ASTM, IFI and SAE specifications. The Hot Forged products and special products are our strength.
What we can do?
Diameters: 1/2 - 2-1/2” Cold from, Hot forged and Turning
Grade: ASTM A307 Grade 2, Grade 5, Grade 8
Lengths: 100” maximum
Finish: Black and hot dip galvanized, ZP,YZP, etc.
Dimensions per ASME B18.2.1 last version.
Download a PDF file .