S-92210A013 0-80 x 5/16" 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 environments.
- Precise, reliable fastening ensured by Class 3A fine UNF threads, minimizing the risk of cross-threading and loosening.
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Secure, efficient installation using the hex drive design, providing excellent torque transfer and reducing tool slippage.
- Flush, low-profile seating with a standard flat head and 82° countersink angle for smooth surface finishes.
- Full thread engagement along the 5/16" length, offering maximum grip and load distribution.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
These 0-80 UNF flat head screws in 18-8 stainless steel with a passivated finish address critical engineering needs in precision assemblies, such as electronics, aerospace, and medical devices. The Class 3A fine thread design provides tight tolerances, reducing vibration-induced failures and enhancing joint integrity in applications where space is limited. The hex drive ensures consistent torque application, preventing damage during installation in automated or manual settings. With high tensile strength and corrosion resistance, they offer long-term reliability in environments exposed to moisture, chemicals, or temperature variations, making them a trusted choice for industrial fasteners requiring durability and precision.
Specification Summary & Compliance
This screw features a Class 3A thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. It complies with ASME B18.3 specifications for flat head screws, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances. The manufacturing adheres to strict controls for thread diameter, length, and countersink angle, supporting consistent performance in regulated industries.
