S-92198A724 1/2"-13 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 reducing replacement frequency.
- High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications and prevents fastener failure.
- Rockwell B70 hardness provides excellent durability and resistance to wear, extending the screw's service life.
- Coarse UNC threading with Class 2A fit offers quick assembly, easy alignment, and secure fastening in various materials.
- External hex drive and hex head design allows for high torque application with standard tools, simplifying installation and removal.
- Partial threading provides unthreaded shank strength where needed, ideal for clamping applications and vibration resistance.
- Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 18-8 stainless steel hex head screws deliver exceptional corrosion resistance and mechanical strength, addressing common issues like rust-induced failure in outdoor or chemical-exposed environments. The coarse UNC thread and Class 2A fit ensure rapid, reliable fastening in construction, machinery, and transportation equipment, reducing assembly time and minimizing loosening under vibration. With an external hex drive for high-torque applications and partial threading to enhance grip in structural joints, these screws provide a robust solution for securing heavy components, improving overall system integrity and longevity in B2B procurement scenarios.
Specification Summary & Compliance
This 1/2"-13 UNC hex head screw features precise Class 2A thread fit and inch system dimensions, including a 3" length and coarse thread spacing, manufactured to ASME B18.2.1 standards for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations without hazardous substances.
