S-92579A105 1/4"-20 x 3/4" ASTM A193, ASTM A574 High-Temperature Alloy Steel Socket Head Screws—Grade B7
High-Temperature Alloy Steel Socket Head Screws—Grade B7
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional high-temperature performance with a maximum operating temperature of 1100°F, ideal for demanding thermal environments
- Superior tensile strength rated at 125,000 psi, providing reliable load-bearing capacity in heavy-duty applications
- Precision Class 2A thread fit ensures smooth installation and secure fastening with reduced risk of cross-threading
- Robust ASTM Grade B7 alloy steel construction delivers excellent durability and resistance to wear in industrial settings
- Hex socket drive design allows for high-torque installation in confined spaces with standard tools
- UNC coarse threading provides faster assembly and better resistance to vibration loosening
- Full compliance with industry standards including ASTM A193/A574, RoHS 3, and REACH for guaranteed quality and environmental safety
Professional Applications & Engineering Value
This ASTM Grade B7 alloy steel socket head cap screw is engineered to address critical challenges in high-stress industrial environments. The combination of 125,000 psi tensile strength and 1100°F temperature resistance makes it ideal for pressure vessels, valve systems, and heavy machinery where thermal cycling and mechanical stress are constant concerns. The UNC coarse thread configuration with Class 2A fit ensures reliable performance in vibrating equipment, while the hex socket drive provides superior torque transmission in space-constrained applications. Manufactured to ASTM A193/A574 specifications, these socket head cap screws deliver consistent performance in critical assembly operations across aerospace, energy, and manufacturing sectors.
Specification Summary & Compliance
This socket head cap screw features precision 1/4"-20 UNC coarse threading with Class 2A thread fit for consistent dimensional accuracy. The fastener meets ASTM A193/A574 manufacturing specifications and is manufactured from alloy steel with Rockwell C26 hardness. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for industrial applications worldwide.
