S-91251A777 0-80 x 1" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
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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 tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Superior thread precision with Class 3A fine UNF threads provides excellent vibration resistance and secure fastening in precision assemblies.
- Black-oxide finish on alloy steel offers enhanced corrosion resistance, extending service life in various industrial environments.
- High hardness rating (Rockwell C37) maintains thread integrity and drive durability, minimizing wear during installation and use.
- Fully threaded design allows for maximum grip and adjustability along the entire 1" length, ideal for components requiring full engagement.
- Hex socket drive (0.050") enables high-torque installation with standard tools, facilitating efficient assembly in confined spaces.
- Compliance with ASTM A574 guarantees consistent quality and mechanical properties, ensuring reliability for critical engineering applications.
Professional Applications & Engineering Value
This 0-80 UNF Socket Head Cap Screw is engineered to address common industrial challenges such as vibration loosening and material fatigue. The Black-Oxide Alloy Steel construction, combined with a Class 3A fine thread fit, ensures precise alignment and resistance to dynamic loads in machinery, aerospace, and electronics assemblies. Its fully threaded right-hand design provides uniform stress distribution, preventing joint failure in high-vibration environments. The hex drive socket allows for secure tool engagement, reducing cam-out risks during high-torque applications. Ideal for precision equipment and durable industrial fixtures, this screw delivers long-term reliability where dimensional accuracy and strength are paramount.
Specification Summary & Compliance
This screw features a 0-80 UNF fine thread with Class 3A tolerance for precise fit, a 1" length, and is manufactured to ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial use.
