S-93190A587 5/16"-18 x 1 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional tensile strength rated at 70,000 psi for reliable performance in high-stress applications
• Precise Class 2A thread fit ensures smooth installation and secure fastening with consistent engagement
• Full UNC coarse threading provides maximum grip and faster assembly in various materials
• External hex drive design allows for high-torque installation with standard tools and easy maintenance access
• Comprehensive regulatory compliance including ASME B18.2.1, RoHS 3, and REACH for global industrial acceptance
• Optimized 1-1/2" length offers versatile application coverage while maintaining structural integrity

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel hex head screws deliver exceptional performance where corrosion resistance and mechanical strength are critical. The UNC coarse thread spacing combined with Class 2A thread fit ensures rapid installation and reliable holding power in structural applications, machinery assembly, and marine equipment. The external hex drive facilitates high-torque tightening without stripping, while the fully threaded design provides consistent clamping force along the entire fastener length. Ideal for chemical processing plants, offshore platforms, and food processing equipment where corrosion resistant screws must withstand aggressive environments while maintaining 70,000 psi tensile strength under continuous load conditions.

Specification Summary & Compliance

This 5/16"-18 UNC hex head screw features precision Class 2A thread tolerances with coarse spacing for optimal engagement. Manufactured to ASME B18.2.1 specifications ensuring dimensional accuracy and interchangeability. The fastener meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations for chemical safety. With Rockwell B70 hardness and complete threading, these industrial-grade screws deliver consistent performance across mechanical assemblies requiring reliable, corrosion-resistant fastening solutions.