S-92196A312 1/4"-28 x 1 3/8" ASME B18.3 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
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
- Precise thread engagement with Class 3A fit and UNF fine threads, ensuring reliable, vibration-resistant connections in critical assemblies.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for dependable performance under heavy loads.
- Easy installation and removal using a standard 3/16" hex key, providing secure drive and reducing the risk of tool slippage.
- Full thread coverage along the 1-3/8" length for maximum grip and adjustability in a wide range of material thicknesses.
- Compliance with major standards including ASME B18.3, ensuring dimensional accuracy and interchangeability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.
Professional Applications & Engineering Value
This Socket Head Cap Screw is engineered to address common industrial challenges such as joint failure under stress and corrosion in demanding environments. Made from 18-8 Stainless Steel, it provides excellent resistance to rust and chemical exposure, making it suitable for machinery, automotive, and marine applications. The fine UNF threads and Class 3A fit deliver tight tolerances, minimizing loosening from vibrations and ensuring long-term reliability in precision equipment. With a socket head design and high tensile strength, it offers easy access in confined spaces and sustains structural integrity, reducing downtime and maintenance needs in heavy-duty fastening systems.
Specification Summary & Compliance
This screw adheres to ASME B18.3 specifications, ensuring consistent dimensions and performance. It features a 1/4"-28 UNF thread with Class 3A fit for precise thread engagement and a right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it meets environmental and safety standards for industrial use.
