S-94444A110 5/16"-18 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibrations.
• Rockwell B70 hardness provides superior durability and resistance to wear over time.
• Coarse UNC thread with Class 2A fit allows for quick installation and secure fastening in various materials.
• External hex drive design offers easy torque application with standard tools, reducing assembly time.
• Fully threaded shank maximizes grip length and distributes stress evenly for enhanced joint integrity.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality and safety for global industrial use.

Professional Applications & Engineering Value

This 5/16"-18 UNC hex head screw is engineered from Black-Oxide 18-8 Stainless Steel to address common challenges in demanding applications like machinery assembly, construction, and automotive systems. The coarse thread spacing and Class 2A thread fit prevent cross-threading and ensure consistent engagement in coarse-grained materials, reducing installation errors. The external hex drive facilitates high-torque tightening with common wrenches, streamlining maintenance and repair processes. With a tensile strength of 80,000 psi and full threading, it provides robust clamping force and resists loosening under dynamic loads, making it a reliable choice for industrial hex bolts in corrosive or high-stress environments.

Specification Summary & Compliance

This product features precise Class 2A thread fit per UNC standards, with dimensions including a 1" length and 5/16"-18 thread size. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to global industry norms for quality and performance.