ASTM A193 Grade B7 Heavy Hex Bolts

High Temperature Bolting

ASTM A193 Grade B7 Heavy Hex Bolts

ASTM A193 Grade B7 Heavy Hex Bolts Boltport offers ASTM A193 Grade B7 Heavy Hex Bolts to ASME B18.2.1, B18.2.3.6M and B18.2.3.7M dimension standards. B7 Heavy hex bolts are ideal for industrial and structural bolting application with high-temperature or high-pressure service environment. We manufacture complete range of heavy hex bolts in metric and imperial sizes with coarse, fine, extra fine threads and full compliance to ASTM A193 Grade B7 specification.

Visit Specification page to find information on ASTM A193 Grade B7 chemical composition, applicable heat treatment, and mechanical properties such as tensile strength, yield strength, hardness requirement, product marking, applicable product standards, etc.,

For a quick quote on A193 Grade B7 Heavy Hex Bolts, please contact our sales team at

Heavy Hex Bolt Sizes & Thread Specifications

Metric Sizes M12 to M152
Inch Sizes 1/2" 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

Imperial Metric
6914 7411 B18.2.1 B18.2.3.7M 5712

Applicable Coatings