ASTM A193 Grade B7 Hex Bolts

High Temperature Bolting

ASTM A193 Grade B7 Hex Bolts

ASTM A193 Grade B7 Hex Bolts Boltport offers ASTM A193 Grade B7 Hex Bolts to ASME B18.2.1, DIN 931, ISO 4014, ISO 4016 and ISO 8765 dimension standards. B7 hex bolts are ideal for general-purpose industrial bolting application with high-temperature or high-pressure service environment. We manufacture complete range of 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 Hex Bolts, please contact our sales team at

Hex Bolt Sizes & Thread Specifications

Metric Sizes M2 – M152
Inch Sizes ¼" 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 Bolt Standards

DIN ISO Imperial Metric UNI
931 4014 B18.2.1 B18.2.3.5M 5737
601 4016 -- -- --