S-90332A140 5/16"-18 x 1" High-Profile Socket 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 of 70,000 PSI ensures reliable, high-load fastening without failure
• Precision Class 3A thread fit provides consistent engagement and reduces assembly issues
• High socket head profile with 1/4" hex drive offers secure tool engagement and torque transmission
• Fully threaded design allows for maximum grip and uniform clamping force along the entire length
• Rockwell B84 hardness delivers excellent wear resistance and long-term durability
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance

Professional Applications & Engineering Value

Engineered for demanding applications, these 18-8 stainless steel socket head cap screws address common industrial challenges such as vibration loosening and corrosion-induced failure. The UNC coarse thread and Class 3A fit enable quick, precise assembly in machinery, automotive, and construction sectors, reducing downtime. With a high socket head profile and 1/4" hex drive, they provide superior torque transfer, minimizing stripping risks. Their fully threaded 1-inch length ensures uniform stress distribution, making them ideal for high-stress joints where reliability is critical.

Specification Summary & Compliance

This 5/16"-18 UNC screw adheres to Class 3A thread fit standards for precise dimensional accuracy. Manufactured from 18-8 stainless steel with a tensile strength of 70,000 PSI and Rockwell B84 hardness, it meets rigorous industrial specifications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring no hazardous substances and environmental safety in global supply chains.