S-92220A261 1/2"-13 x 1" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-Profile 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
- Superior strength in tight spaces with low-profile socket head design that fits where standard heads cannot
- Exceptional durability and corrosion resistance thanks to black-oxide coating on alloy steel construction
- Precise thread engagement with Class 3A UNC coarse threads ensuring reliable fastening in high-vibration applications
- Maximum drive torque capability through 1/4" hex drive system that prevents stripping under heavy loads
- Consistent performance under extreme conditions with 140,000 psi tensile strength and Rockwell C39 hardness rating
- Full-threaded design providing complete engagement along the entire 1" length for uniform load distribution
- Compliance assurance meeting rigorous ASTM A574 specifications for quality and performance reliability
Professional Applications & Engineering Value
These low profile socket head cap screws deliver critical engineering solutions where space constraints challenge conventional fasteners. The black-oxide alloy steel construction provides superior corrosion resistance while maintaining the 140,000 psi tensile strength required for heavy-duty industrial applications. The 1/2"-13 UNC Class 3A threads ensure precise fitment in machinery, automotive assemblies, and precision equipment where vibration resistance is paramount. The low profile socket head design allows installation in recessed areas without compromising the 1/4" hex drive capability, making them ideal for aerospace components, manufacturing jigs, and high-stress structural applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to exacting Class 3A thread fit standards with 1/2"-13 UNC coarse threads and full compliance with ASTM A574 specifications. These screws feature right-hand thread direction and fully threaded design with precise dimensional accuracy. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across global industrial markets while maintaining consistent mechanical properties including Rockwell C39 hardness and dimensional stability.
