S-94444A121 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 Black-Oxide coating on 18-8 Stainless Steel, ideal for harsh industrial environments.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibrations.
- Rockwell B70 hardness provides excellent durability and resistance to wear and deformation.
- Partially threaded UNC coarse thread design allows for faster assembly and secure grip in various materials.
- Class 2A thread fit guarantees consistent, precise engagement for reduced risk of cross-threading.
- External hex drive and hex head enable easy installation with standard tools, improving workflow efficiency.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety.
Professional Applications & Engineering Value
This 3/8"-16 x 3" Black-Oxide 18-8 Stainless Steel Hex Head Screw is engineered to address common industrial challenges such as corrosion, mechanical stress, and assembly inefficiencies. The Black-Oxide coating enhances the natural corrosion resistance of 18-8 Stainless Steel, making it suitable for outdoor, marine, and chemical-exposed applications. Its partially threaded UNC coarse thread design facilitates quick installation in metals and plastics, reducing labor time while the external hex drive ensures compatibility with standard wrenches for secure fastening. With a robust 80,000 psi tensile strength and Rockwell B70 hardness, it withstands high-stress conditions in machinery, construction, and automotive assemblies, providing long-term reliability and minimizing maintenance needs.
Specification Summary & Compliance
This screw features precise UNC coarse threads with a Class 2A thread fit for accurate dimensional tolerance, ensuring consistent performance. It meets ASME B18.2.1 manufacturing specifications for hex head screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use.
