ASTM A193 Grade B7 Hex Cap Screws

Chrome Moly Alloy Steel Bolting Specification

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
ASTM A453 Grade 660 Hex Cap Screws
Tensile ClassABCD

Hex Cap Screw Sizes & Thread Specifications

Metric SizesM6 to M152
Inch SizesΒΌ" to 8"
Metric ThreadsISO, ASME
Imperial ThreadsASME, BSW, BSF
Thread StandardsISO 68-1, ISO 268, ISO 724, ASME B1.1, ASME B1.13M, BS 84, BS 3643

Hex Cap Screw Standards

DINISOASMEUNI
ImperialMetric
9334017B18.2.1B18.2.3.1M 5739

ASTM A193 Grade B7 Fastener Coatings

PTFE Coated B7 Fasteners
PTFE Coated
Black Phosphated B7 Fasteners
Black Phosphated
Zinc Plated B7 Fasteners
Zinc Plated
Hot Dip Galvanized B7 Fasteners
Hot Dip Galvanized
Cadium Plated B7 Fasteners
Cadium Plated
Ceramic Coated B7 Fasteners
Ceramic Coated
Zinc Nickel B7 Fasteners
Zinc Nickel
Zinc Flake Coated B7 Fasteners
Zinc Flake Coated