S-90044A158 3/8"-24 x 2" 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.
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
- Precise Class 3A thread fit provides secure, vibration-resistant connections, minimizing loosening in critical assemblies.
- Fine UNRF threads offer improved load distribution and better sealing capabilities compared to coarse threads.
- Hex socket drive design allows for high torque application and easy installation in confined spaces.
- Full threading along the 2" length enables flexible positioning and consistent clamping force across the entire fastener.
- Rockwell C37 hardness rating maintains thread integrity and prevents stripping during repeated use.
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws are engineered to address critical challenges in precision machinery, automotive systems, and heavy equipment assembly. The 3/8"-24 UNRF fine thread configuration delivers superior fatigue resistance and vibration dampening, preventing joint failure in dynamic applications. The combination of 170,000 psi tensile strength and Rockwell C37 hardness ensures dimensional stability under extreme loads, while the hex socket drive facilitates secure installation in space-constrained environments. This makes them ideal for high-stress applications where reliability and precision are paramount, from production fixtures to aerospace components requiring consistent clamping force and corrosion protection.
Specification Summary & Compliance
This socket head cap screw features precision 3/8"-24 UNRF fine threads with Class 3A fit for tight tolerance applications. Manufacturing complies with ASTM A574 specification for high-strength alloy steel socket head cap screws. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide.
