S-92198A691 5/16"-18 x 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 secure fastening under heavy loads and mechanical stress.
- Rockwell B70 hardness provides excellent wear resistance and durability for repeated use.
- Class 2A thread fit offers consistent, reliable engagement and easy assembly in industrial applications.
- Partially threaded design allows for precise clamping force control and reduced thread galling.
- External hex drive and hex head enable quick installation and high torque application with standard tools.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw in 18-8 Stainless Steel is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The coarse thread and Class 2A thread fit provide reliable performance in machinery, construction, and automotive assemblies, where consistent clamping force and ease of maintenance are critical. Its partially threaded shank minimizes cross-threading risks and distributes stress effectively, enhancing joint integrity. With external hex drive compatibility, it supports efficient installation in tight spaces, making it a versatile choice for industrial hex screws requiring robust, corrosion-resistant fasteners that meet stringent ASME B18.2.1 specifications.
Specification Summary & Compliance
This fastener features a Class 2A thread fit with UNC coarse threads for precise dimensional accuracy, manufactured to ASME B18.2.1 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The specifications include a thread size of 5/16"-18, length of 2", and partial threading, supporting reliable performance in various engineering applications.
