S-92198A126 1/2"-13 x 1 5/8" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional tensile strength rated at 80,000 psi for reliable performance in heavy-duty applications
• Optimized thread engagement with Class 2A thread fit ensuring secure fastening and vibration resistance
• Easy installation and removal through external hex drive design with 3/4" head width for standard tool compatibility
• Enhanced durability with Rockwell B70 hardness maintaining structural integrity under repeated stress
• Versatile partial threading allowing precise clamping force control across various material thicknesses
• Regulatory compliance assurance meeting ASME B18.2.1 specifications and environmental standards (RoHS 3, REACH)

Professional Applications & Engineering Value

These 1/2"-13 UNC hex head screws deliver critical performance advantages in demanding industrial settings. The 18-8 Stainless Steel composition provides excellent corrosion resistance, making them ideal for construction, machinery assembly, and outdoor applications where environmental exposure is a concern. The coarse thread design ensures rapid installation and superior holding power in various materials, while the partial threading allows for optimal clamp load distribution. With 80,000 psi tensile strength and Rockwell B70 hardness, these external hex drive fasteners maintain integrity under vibration and dynamic loads, solving common failure points in heavy equipment and structural applications. Their compliance with ASME B18.2.1 guarantees dimensional consistency and interchangeability across industrial projects.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1/2"-13 UNC coarse threads in right-hand direction, ensuring proper engagement and assembly efficiency. The fastener meets ASME B18.2.1 manufacturing specifications for dimensional accuracy and performance reliability. Environmental compliance is confirmed through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) adherence, making these screws suitable for regulated industries and international projects requiring strict material standards.