S-92210A633 3/8"-16 x 2 1/4" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat 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 and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress.
- Precise, secure fastening ensured by Class 3A thread fit and UNC coarse threads, reducing the risk of cross-threading and loosening.
- Efficient installation and removal with a 7/32" hex drive, providing a firm grip and reducing tool slippage.
- Flush, low-profile seating with a standard flat head and 82° countersink angle for a smooth surface finish.
- Full thread engagement along the 2 1/4" length for maximum holding power in demanding applications.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring quality and environmental safety.
Professional Applications & Engineering Value
This 3/8"-16 UNC flat head screw is engineered to address critical challenges in industrial assembly, such as vibration resistance and material degradation. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to rust and chemical exposure, making it suitable for machinery, marine equipment, and outdoor structures. The Class 3A thread fit and coarse UNC threading ensure quick, reliable installation in metals and plastics, reducing assembly time and maintenance costs. With a hex drive design, it offers superior torque transmission, minimizing the risk of stripping and enhancing worker safety. These features make it an ideal heavy-duty fastener for applications requiring durability, precision, and compliance with stringent standards like ASME B18.3.
Specification Summary & Compliance
This product adheres to Class 3A thread fit for high precision and meets ASME B18.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use. The screw features a right-hand UNC thread with coarse spacing and is fully threaded for consistent performance.
