S-93190A872 5/8"-11 x 8" 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 environments including marine and chemical applications
• Exceptional load-bearing capacity with 70,000 psi tensile strength for reliable performance in heavy-duty applications
• Optimized installation efficiency with external hex drive and standard 15/16" head width for secure tool engagement
• Enhanced durability with Rockwell B70 hardness rating maintaining structural integrity under repeated stress
• Reliable thread engagement through Class 2A thread fit and UNC coarse threading for vibration resistance
• Full-length fastening capability with 8" fully threaded design for maximum grip range and adjustment flexibility
• Regulatory compliance assurance meeting ASME B18.2.1 specifications and international RoHS 3/REACH standards

Professional Applications & Engineering Value

This heavy-duty hex head screw delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. Manufactured from 316 Stainless Steel with molybdenum enhancement, it outperforms standard stainless grades in chloride-rich environments, making it ideal for marine equipment, chemical processing plants, and offshore structures. The UNC coarse thread configuration combined with Class 2A thread fit ensures rapid installation and superior vibration resistance in structural steel connections, heavy machinery assembly, and industrial platforms. The external hex drive design provides maximum torque transmission for high-tension applications while the fully threaded 8-inch length offers versatile fastening depth options across varying material thicknesses.

Specification Summary & Compliance

This 5/8"-11 UNC hex head screw maintains precise dimensional accuracy with Class 2A thread fit tolerances and complies with ASME B18.2.1 manufacturing specifications. The product meets international regulatory requirements including RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) standards for chemical safety. Manufacturing controls ensure consistent 0.625" thread diameter and proper coarse thread spacing for reliable performance in industrial fastening applications.