S-92210A370 3-48 x 1/2" 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 and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term fastening.
- Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure installations and reduced cross-threading risks.
- Optimized flush mounting featuring an 82° countersink angle and flat head design for seamless, low-profile assemblies.
- Efficient installation and removal using a 1/16" hex drive, providing superior torque transfer and tool accessibility.
- Full threading along the 1/2" length for maximum grip and uniform stress distribution in various materials.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 3-48 UNC flat head screws in 18-8 Stainless Steel address critical challenges like corrosion, vibration loosening, and assembly precision. The passivated finish enhances durability in moist or chemical-exposed settings, while the Class 3A thread fit and coarse UNC threading provide rapid, secure fastening in metals and plastics. The 82° countersink angle and flat head profile allow for flush surface integration, minimizing protrusions in machinery, electronics, and automotive components. With a 70,000 psi tensile strength, these screws support heavy-duty loads, reducing maintenance needs and enhancing operational reliability in industrial fastening systems.
Specification Summary & Compliance
This flat head screw features precise dimensions: 3-48 UNC thread size with Class 3A fit for tight tolerances, a 1/2" length, and 1/16" hex drive. It complies with ASME B18.3 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe, high-quality performance in global supply chains.
