S-92198A636 3/8"-16 x 3" 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 vibration.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Coarse UNC thread and Class 2A fit enable quick assembly and reliable engagement in a variety of materials.
- External hex drive and hex head design allow for easy installation and removal with standard tools.
- Partially threaded shank offers optimal clamping force and prevents loosening in dynamic applications.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw in 18-8 stainless steel is engineered to address common industrial challenges such as corrosion, high stress, and assembly efficiency. The coarse thread and Class 2A thread fit ensure rapid installation and secure holding in metals, plastics, and wood, reducing labor time and improving productivity. With an 80,000 psi tensile strength and Rockwell B70 hardness, it withstands heavy loads and repetitive motion without failure, making it ideal for machinery, construction, and automotive applications. The partially threaded design concentrates clamping force where needed, minimizing the risk of joint loosening. Combined with external hex drive compatibility, this screw delivers reliable performance in demanding environments while meeting strict industry regulations.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It is manufactured in accordance with ASME B18.2.1 standards, ensuring consistent quality and interoperability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for various industrial and international markets.
