S-92198A310 5/16"-24 x 2 1/4" 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
• High tensile strength of 80,000 psi ensures reliable performance in demanding applications
• Fine UNF threading (5/16"-24) provides superior vibration resistance and secure fastening
• External hex drive design allows for easy installation with standard tools and high torque application
• Class 2A thread fit guarantees precise dimensional accuracy and smooth assembly
• Partial threading configuration offers optimal grip length control for specific joint requirements
• Full regulatory compliance with ASME B18.2.1, RoHS 3, and REACH standards for global industrial use

Professional Applications & Engineering Value

These 18-8 Stainless Steel hex head screws deliver exceptional engineering value in industrial settings where corrosion resistance and mechanical strength are critical. The 5/16"-24 UNF fine threading provides superior resistance to vibration loosening, making them ideal for machinery, equipment assembly, and structural applications. The external hex drive enables high-torque installation without stripping, while the partial threading allows for precise clamp length control. With Rockwell B70 hardness and 80,000 psi tensile strength, these screws maintain integrity under heavy loads and stressful conditions, solving common fastening failures in manufacturing, construction, and mechanical systems.

Specification Summary & Compliance

This 5/16"-24 UNF hex head screw features precise Class 2A thread fit tolerances and 2 1/4" length with partial threading. Manufactured to ASME B18.2.1 specifications with Rockwell B70 hardness and 80,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use worldwide.