S-92240A589 5/16"-18 x 1 3/4" 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
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- High tensile strength of 80,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications.
- Rockwell B70 hardness provides excellent resistance to wear and deformation under stress.
- Coarse UNC threads with Class 2A fit offer faster assembly, easier alignment, and reliable engagement in a wide range of materials.
- Fully threaded design maximizes grip length and clamping force along the entire shank for secure fastening.
- External hex drive and hex head allow for high-torque installation with standard tools, preventing stripping and ensuring a tight fit.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility.
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw is engineered from 18-8 Stainless Steel to solve critical challenges in industrial settings, such as corrosion-induced failure and mechanical loosening. Its coarse thread and Class 2A fit provide quick, secure fastening in metal fabrications, machinery assembly, and structural frameworks, reducing installation time and maintenance needs. The fully threaded design ensures uniform stress distribution, while the external hex drive supports high-torque applications without slippage. Ideal for outdoor equipment, chemical processing, and marine environments, it delivers long-term reliability and performance under extreme conditions, backed by 80,000 psi tensile strength and stringent industry standards.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC thread with Class 2A dimensional accuracy, ensuring precise fit and interchangeability. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.
