S-92198A697 5/16"-18 x 3 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 long-term reliability.
- High tensile strength of 80,000 psi ensures dependable performance under heavy loads and stress.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Class 2A thread fit offers consistent, reliable engagement for easier assembly and reduced cross-threading risk.
- Partially threaded design allows for precise clamping force and secure fastening in specific applications.
- External hex drive and hex head enable quick installation and removal with standard tools, improving efficiency.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw is engineered to address common industrial challenges such as corrosion, vibration, and high-stress conditions. Made from 18-8 Stainless Steel, it resists rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing applications. The coarse thread and Class 2A thread fit provide secure fastening in materials like metal and wood, reducing the risk of loosening. With a partially threaded shank, it offers controlled clamping where full threading isn't needed, enhancing stability in machinery, construction, and assembly lines. Its external hex drive allows for efficient torque application, speeding up maintenance and reducing downtime in industrial hex screw setups.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It meets ASME B18.2.1 manufacturing standards, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports environmental safety and restricted substance control.
