S-92198A629 3/8"-16 x 1 5/8" 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 thanks to 18-8 Stainless Steel construction, ideal for harsh environments and reducing long-term replacement costs.
- High tensile strength of 80,000 psi ensures reliable performance and joint integrity under significant load and stress.
- Excellent durability and wear resistance provided by a Rockwell B70 hardness, extending the screw's service life.
- Secure and precise fastening with a Class 2A thread fit and UNC coarse thread, enabling easier assembly and reduced cross-threading risk.
- Optimized for efficient installation featuring an external hex drive and standard 9/16" head width for common wrench use.
- Versatile partial threading design allows for effective clamping across a 1" minimum threaded length on non-threaded sections.
- Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH, ensuring safety and environmental standards are met for global supply chains.
Professional Applications & Engineering Value
This 3/8"-16 UNC Hex Head Screw is engineered from 18-8 Stainless Steel to solve critical challenges in industrial and construction settings, where exposure to moisture, chemicals, and high stress is common. The coarse thread and Class 2A fit provide quick, reliable engagement in a variety of materials, reducing installation time and the risk of thread damage. Its partial threading offers superior clamping force on unthreaded shank sections, making it ideal for machinery assembly, structural frameworks, and heavy-duty equipment that require vibration resistance and long-term reliability. The external hex drive ensures high torque application without slippage, supporting maintenance efficiency in demanding applications.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread with a Class 2A fit for standard dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.2.1 specifications, ensuring consistent quality and performance. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substances.
