ASTM A453 Grade 660 Heavy Hex Bolts

High Temperature Stainless Steel Fasteners

ASTM A453 Grade 660 Heavy Hex Bolts

ASTM A453 Grade 660 Heavy Hex Bolts Boltport offers Boltport offers ASTM A453 Grade 660 Heavy Hex Bolts in Class A, B, C & D, manufactured to DIN 6914, ISO 7411, ASME B18.2.1, B18.2.3.6M & UNI 5712 standards, in metric and inch sizes with UNC, UN, UNF, UNEF, ISO, BSW & BSF threads.
Grade 660 heavy hex bolts are available in full thread, part thread and custom design.

ASTM A453 Grade 660 Heavy Hex Bolts
Tensile Class A B C D

Heavy Hex Bolt Sizes & Thread Specifications

Metric Sizes M6 to M152
Inch Sizes ΒΌ" to 8"
Metric Threads ISO, ASME
Imperial Threads ASME, BSW, BSF
Thread Standards ISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643

Heavy Hex Bolt Standards

DIN ISO ASME UNI
Imperial Metric
6914 7411 B18.2.1 B18.2.3.6M 5712