S-96006A831 5/16"-18 x 1 1/4" 18-8 Stainless Steel Socket Head Screws
18-8 Stainless 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 corrosion resistance from 18-8 stainless steel with black oxide coating, ideal for harsh industrial environments
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, durable fastening
- Precise Class 3A thread fit ensures tight tolerances and secure connections in critical applications
- Easy installation and removal with standard 1/4" hex drive socket head design
- Versatile coarse UNC threading (5/16"-18) provides quick assembly and superior vibration resistance
- Partially threaded shank design offers optimal grip and alignment in precision assemblies
- Full regulatory compliance with RoHS 3 and REACH standards for safe, sustainable usage
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Black Oxide 18-8 Stainless Steel Socket Head Cap Screws deliver superior performance where corrosion resistance and mechanical strength are critical. The combination of 70,000 psi tensile strength and Class 3A UNC coarse threads ensures reliable fastening in high-vibration environments such as machinery, automotive assemblies, and heavy equipment. The black oxide surface treatment enhances durability while maintaining the inherent corrosion resistance of 18-8 stainless steel. The standard hex drive socket head allows for precise torque application in confined spaces, making these screws ideal for precision engineering applications requiring consistent clamping force and long-term reliability.
Specification Summary & Compliance
This socket head cap screw features precise 5/16"-18 UNC coarse threading with Class 3A thread fit for superior dimensional accuracy. Manufacturing specifications include 1 1/4" length with 1 1/8" minimum thread length and partially threaded design. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across industrial sectors.
