S-92198A450 1/2"-20 x 5" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional tensile strength rated at 80,000 psi for reliable performance in demanding applications
• Precision UNF fine threading with Class 2A fit ensures secure fastening and vibration resistance
• Optimized partial threading design provides maximum grip strength where needed
• External hex drive compatibility allows for standard tool usage and high torque application
• Comprehensive regulatory compliance with RoHS 3 and REACH for global industrial use
• Rockwell B70 hardness maintains structural integrity under repeated stress and load

Professional Applications & Engineering Value

These 18-8 Stainless Steel hex head screws deliver critical performance advantages in industrial settings where corrosion resistance and structural integrity are paramount. The 1/2"-20 UNF fine thread configuration provides superior holding power in materials prone to vibration loosening, while the partial threading design concentrates engagement strength precisely where needed. Engineered to ASME B18.2.1 specifications, these fasteners offer reliable performance in heavy machinery, structural assemblies, and manufacturing equipment where 80,000 psi tensile strength and Rockwell B70 hardness prevent failure under dynamic loads. The external hex drive accommodates standard industrial tools for efficient installation in confined spaces.

Specification Summary & Compliance

This 5" length hex head screw features precise Class 2A thread fit tolerances with 1/2"-20 UNF fine threading and 1 1/4" minimum thread length. Manufactured in compliance with ASME B18.2.1 standards for dimensional accuracy and performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental safety and restricted substance control.