ASTM A325 ASTM A 490 ASME B18.2.6 Heavy Hex Structural Bolts
ASTM A 325/ASTM A 490/ASME B 18.2.6 Heavy Hex Structural Bolts Hexagon bolts are hexagon head bolts (partial thread) - grade C and hex head bolts (full thread) - grade C. Also known as hexagon head bolts (rough) hair hexagon head bolts, black iron screws. Commonly used standards can be found in: SH3404, HG20613, HG20634 Products Specification Screw Thread d 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 ds max min s Nominal Size max min e max min k...