Description
1-1/8" 8UN x 107MM bolt is manufactured from ASTM A193 Grade B7M alloy steel, specifically engineered for high-pressure, high-temperature, and critical industrial applications.
Grade B7M is a modified version of B7, offering controlled hardness and improved resistance to stress corrosion cracking, making it ideal for use in oil & gas, petrochemical, and offshore environments.
With precise 8UN threading, this bolt ensures a secure, stable fit and long-lasting performance even under extreme operating conditions.
Specifications
- Diameter: 1-1/8 inch
- Thread Type: 8UN (Unified National)
- Length: 107 mm
- Material Grade: ASTM A193 Grade B7M
- Material Type: Heat-treated alloy steel
- Hardness: Controlled (lower than standard B7 for enhanced ductility)
- Finish: (add if available: PTFE / Black Oxide / Zinc / Plain)
- Standard Compliance: ASTM A193
- Application: Oil & Gas, Petrochemical, Offshore, Power Plants, Heavy Machinery
Key Features / Selling Points
- B7M grade – safer for critical environments (reduced cracking risk)
- High strength with improved ductility
- Resistant to stress corrosion cracking
- Precision 8UN threading for tight, secure fastening
- Reliable in high-pressure & high-temperature systems