ASTM A193 Grade B16 Socket Head Cap Screws

High Temperature Bolting

ASTM A193 Grade B16 Socket Head Cap Screws

ASTM A193 Grade B16 Socket Head Cap Screws Boltport fasteners manufactures and supplies ASTM A193 Grade B16 socket head cap screws to ASME B18.3, B18.3.1M, DIN 912 and ISO 4762 standards, with coarse, fine and extra fine threads. We produce both metric and imperial sized socket head cap screws with standard and low hexagon socket and full compliance to ASTM A193 Grade B16 specification.

These b16 socket head cap screws can be used in high tensile bolting in boilers, pressure vessels, valves, pipeline flanges and fittings, intended for use in high-pressure or high-temperature service range between -20ºF (-30ºC) to +1100ºF (+593ºC).

Visit Specification page to find information on ASTM A193 Grade B16 chemical composition, mechanical properties, tensile strength, yield strength, hardness, heat treatment, thermal expansion, raw material properties, product marking, and referenced product standards, etc.,

For a quick quote on ASTM A193 Grade B16 Heavy Hex Bolts, please contact our sales team at

Socket Head Cap Screws Sizes & Thread Specifications

Metric Sizes M6 to 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

Socket Head Cap Screws Standards

Imperial Metric
Full Head Socket Head Cap Screws 912 4762 B18.3 B18.3.1M 5931
Low Head Socket Head Cap Screws 7984 -- 9327

Applicable Coatings