ASTM A193 Grade B7 Countersunk Screws

High Temperature Bolting

ASTM A193 Grade B7 Countersunk Screws

Boltport is a manufacturer and supplier of ASTM A193 Grade B7 Hex Socket Countersunk Screws as per ASME B18.3, B18.3.5M, DIN 7991, ISO 10642 and UNI 5933 dimension standards. We offer countersunk screws in complete range of metric and imperial sizes with coarse, fine and extra fine threads. These B7 Countersunk Screws are produced with full compliance to requirements of ASTM A193 specification and are suitable for high tensile bolting in high-pressure or high-temperature service environment.

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

For a quick quote on A193 Grade B7 Countersunk Screws, please contact our sales team at estimation@ferrobend.com

ASTM A193 Grade B7 Countersunk Screws

Countersunk Screw Sizes & Thread Specifications

Metric Sizes M1.6 – M20
Inch Sizes #0 to 1-1/2"
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

Countersunk Screw Standards

Fastener Dimensional Standards
Product DIN ISO ASME UNI BS
Imperial Metric Imperial Metric
Countersunk Screws DIN 7991 ISO 10642 ASME B18.3 ASME B18.3.5M UNI 5933 BS 2470 BS 4168-8

ASTM A193 Grade B7 Fastener Coatings