ASTM A325 structural steel high strength bolt

High Strength structural steel heavy hex bolt

Bolt Nut Washer Unit Supply

Heavy hex bolt ASTM A325

Full threaded or half thread bolt

Hardness HRC:

1/2-1 inch 24-35

11/8-11/2 19-31

Tensile Strength PSI

1/2-1        120,000

11/8-11/2 105,000

Proof Load PSI

1/2-1          85,000

11/8-11/2 74,000

Heavy hex nut ASTM A563 grade C

Hardness: HRB78-HRC38

Proof Load: 150,000 PSI

Hardend steel washer ASTM F436

Hardness: HRC38-45

Inch bolt and nut options for structural joint

A490 structural bolt +A194 2H heavy hex nut

Metric size M12 to M36

Bolt Dimensions as per DIN933 or DIN931

Class 10.9 or Class 12.9

Nut dimensions as per metric heavy hex nut

All bolt, nut and washers surface treatment options

Black oxide

ZP, ZPY, HDG

Dacro