S-93516A583 5/16"-18 x 1" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 651 Silicon Bronze material, ideal for marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
• Rockwell B70 hardness provides superior durability and resistance to wear and deformation
• Class 2A thread fit with UNC coarse spacing delivers easy assembly and secure fastening in various materials
• Fully threaded design maximizes grip and holding power across the entire 1" length
• External hex drive with 1/2" head width allows for high-torque installation using standard tools
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures meeting strict industrial and environmental standards

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 5/16"-18 UNC hex head screws in 651 Silicon Bronze provide exceptional resistance to corrosion and stress cracking, making them ideal for marine hardware, chemical processing equipment, and outdoor structures. The coarse thread spacing and Class 2A thread fit ensure quick, reliable installation in both soft and hard materials, reducing assembly time while maintaining joint integrity. With 70,000 psi tensile strength and fully threaded design, they deliver consistent performance in high-vibration environments where fastener failure is not an option. The external hex drive facilitates secure tightening with common tools, supporting efficient maintenance and repair operations across various sectors.

Specification Summary & Compliance

This hex head screw features a 5/16"-18 UNC thread with Class 2A dimensional accuracy and coarse spacing for reliable fit. Manufactured to ASME B18.2.1 specifications, it ensures interchangeability and performance consistency. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.