ASTM A193 Grade B8M Countersunk Screws
Boltport is a manufacturer and supplier of Countersunk Screws in ASTM A193 Grade B8M material grade. We offer Hex Socket Countersunk Screws to ASME B18.3, B18.3.5M, DIN7991, 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. Our B8M countersunk screws are produced with full compliance to ASTM A193 Grade B8M specification and are suitable for high tensile bolting applications in high temperature or high-pressure service environment.
Visit Specification page to find information on ASTM A193 Grade B8M chemical composition, applicable heat treatment, and mechanical properties such as tensile strength, yield strength, hardness requirement, product marking, and applicable product standards.
For a quick quote on ASTM A193 Grade B8M Countersunk Screws, please contact our sales team at info@boltport.com
Countersunk Screw Sizes & Thread Specifications
| Metric Sizes | M6 to M152 |
| Inch Sizes | ΒΌ" 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 |
Countersunk Screw Standards
| DIN | ISO | ASME | UNI | |
| Imperial | Metric | |||
| 7991 | 10642 | 18.3 | B18.3.1M | 5933 |