S-90357A024 5/16"-18 x 1 1/4" Alloy Steel Ultra-Low-Profile Socket Head Screws
Alloy Steel Ultra-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
- Exceptional strength-to-size ratio with 140,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance provided by Black-Oxide coating, extending service life in harsh industrial environments
- Precise thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance
- Space-saving ultra-low profile design allowing installation in confined areas where clearance is limited
- Enhanced durability from Rockwell C32 hardness, maintaining structural integrity under heavy loads
- Consistent dimensional accuracy with ±0.005" length tolerance for predictable assembly and interchangeability
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe industrial use
Professional Applications & Engineering Value
These Black-Oxide alloy steel socket head cap screws deliver critical engineering solutions where space constraints and reliability are paramount. The ultra-low profile socket head design enables installation in tight clearance applications while maintaining full 5/32" hex drive functionality. The Class 3A thread fit with 5/16"-18 UNC coarse threads provides superior vibration resistance and precise engagement in machinery, automotive assemblies, and industrial equipment. The combination of 140,000 psi tensile strength and Rockwell C32 hardness ensures these fully threaded fasteners withstand extreme mechanical stresses without compromising performance, making them ideal for critical structural applications requiring dependable right-hand thread fastening solutions.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and ±0.005" length tolerance. Features 5/16"-18 UNC coarse threads with right-hand thread direction and fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The Black-Oxide alloy steel construction meets rigorous performance requirements for industrial fastening applications.
