S-92655A451 5/8"-11 x 2" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel material, ensuring long-term reliability in harsh industrial environments
• High tensile strength of 75,000 psi provides superior load-bearing capacity for demanding applications
• Rockwell B100 hardness rating delivers excellent durability and resistance to deformation under stress
• External hex drive design enables secure tool engagement and efficient installation with standard wrenches
• Class 2A thread fit ensures precise, reliable mating with compatible nuts and threaded components
• Partially threaded configuration with 1½" thread length allows for optimal grip and clamping force distribution
• ASTM A193 Grade B8 certification guarantees compliance with industry standards for high-temperature service applications

Professional Applications & Engineering Value

These 5/8"-11 UNC hex head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and high tensile strength are paramount. The 18-8 Stainless Steel construction provides excellent protection against rust and chemical degradation, making these fasteners ideal for chemical processing, marine environments, and food processing equipment. The coarse UNC thread design ensures rapid installation and superior holding power in various materials, while the partial threading configuration with ½" grip length provides optimal stress distribution. Engineered to meet ASTM A193 Grade B8 specifications, these external hex drive screws offer reliable performance in high-temperature applications, pressure vessels, and structural assemblies where failure is not an option.

Specification Summary & Compliance

This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerances with coarse thread spacing and right-hand thread direction. Manufactured to ASTM A193 Grade B8 specifications with 75,000 psi tensile strength and Rockwell B100 hardness. The screw measures 2" in total length with 1½" thread length and ½" grip length, featuring a 1-1/16" hex head width and 25/64" head height. Complies with industry standards for inch system fasteners and is suitable for applications requiring reliable mechanical properties and corrosion resistance.