ASTM A453 Grade 660 Hex Cap Screws

High Temperature Stainless Steel Fasteners

ASTM A453 Grade 660 Hex Cap Screws

ASTM A453 Grade 660 Hex Cap Screws Boltport offers ASTM A453 Grade 660 Hex Cap Screws in Class A, B, C & D, manufactured to DIN 933, ISO 4017, ASME B18.2.1, B18.2.3.5M & UNI 5737 standards, in metric and inch sizes with UNC, UN, UNF, UNEF, ISO, BSW & BSF threads. Grade 660 hex cap screws are available with full thread; part threads and custom thread design.

ASTM A453 Grade 660 Hex Cap Screws
Tensile Class A B C D

Hex Cap Screw 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

Hex Cap Screw Standards

DIN ISO ASME UNI
Imperial Metric
933 4017 B18.2.1 B18.2.3.1M 5739