S-92200A537 1/4"-20 x 1/2" MS16995-48, NAS1352C4-8, NASM16995, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws
Mil. Spec. 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 with 18-8 Stainless Steel and passivated finish, ideal for harsh environments and long-term reliability.
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and vibration, reducing the risk of fastener failure.
- Precise Class 3A thread fit provides superior engagement and clamping force, minimizing loosening in critical assemblies.
- Hex socket drive design allows for high torque application and easy installation in confined spaces with standard tools.
- Full threading along the 1/2" length offers maximum adjustability and secure fastening across the entire grip range.
- Compliance with MS16995, NAS1352C4-8, and other key standards guarantees consistent quality and interchangeability for aerospace and industrial use.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This 1/4-20 x 1/2" Socket Head Cap Screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. Constructed from 18-8 Stainless Steel with a passivated finish, it provides excellent resistance to oxidation and chemical exposure, extending service life in machinery, automotive, and aerospace applications. The coarse UNRC thread and Class 3A fit ensure quick assembly and reliable retention under dynamic loads, while the hex drive facilitates secure tightening in tight spaces. Ideal for high-stress assemblies, this fully threaded screw delivers consistent performance where precision and durability are critical.
Specification Summary & Compliance
This screw features a 1/4"-20 UNRC coarse thread with Class 3A tolerance for precise fit, a 1/2" length, and meets specifications including MS16995, NAS1352C4-8, NASM16995, and Fed. Spec. FF-S-86. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.
