S-93190A936 1 1/8"-7 x 2 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity under stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC threading allows for faster installation and better performance in softer materials or where debris is present
• Class 2A thread fit offers consistent, reliable engagement with standard nuts for secure fastening
• External hex drive design enables high-torque application with common tools, reducing installation time
• Fully threaded shank maximizes grip length and clamping force across the entire fastener

Professional Applications & Engineering Value

This 1 1/8"-7 UNC hex head screw in 316 stainless steel delivers critical performance where corrosion resistance and strength are paramount. The coarse thread design prevents cross-threading and ensures rapid assembly in structural steel, heavy machinery, and chemical processing equipment. Its fully threaded configuration provides uniform stress distribution, while the external hex drive accommodates high torque requirements without stripping. Engineered to withstand demanding environments, this fastener maintains integrity in saltwater, chemical exposure, and high-humidity applications, reducing maintenance frequency and replacement costs. Compliant with ASME B18.2.1, it meets rigorous industrial standards for dimensional accuracy and mechanical properties.

Specification Summary & Compliance

This hex head screw features precision UNC coarse threading with Class 2A fit per ASME standards, ensuring consistent thread engagement and interchangeability. Manufactured to ASME B18.2.1 specifications, it guarantees dimensional accuracy for reliable performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substances. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it meets industrial requirements for mechanical durability and corrosion resistance.