S-92198A703 5/16"-18 x 5" 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 from 18-8 Stainless Steel, ideal for harsh environments and reducing replacement frequency.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and mechanical stress.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Coarse UNC threading allows for faster assembly and better performance in materials prone to stripping.
- Class 2A thread fit offers consistent, reliable engagement and ease of installation with standard nuts.
- External hex drive design enables high torque application with common tools, speeding up installation and removal.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures product reliability and environmental safety for global industrial use.
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 partial threading design enhance grip in softer materials and reduce the risk of cross-threading, while the external hex drive allows for secure fastening in confined spaces. With a 5" length and robust construction, it is ideal for heavy machinery, structural assemblies, and outdoor equipment where corrosion resistance and long-term reliability are critical. This screw meets rigorous standards, making it a trusted choice for industrial and commercial applications requiring consistent performance under demanding conditions.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and compatibility. It conforms to ASME B18.2.1 for manufacturing consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility. The specifications include a 5/16"-18 UNC thread size, coarse thread spacing, and partial threading up to a minimum of 7/8", supporting reliable fastening in various industrial settings.