S-90340A115 1/4"-20 x 1" Socket Head Screws for Square-Drive Wrenches

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior thread engagement and vibration resistance achieved through precise Class 3A thread fit
• High-torque capability enabled by the 1/4" square drive and deep socket head profile
• Reliable performance under heavy loads with 70,000 psi tensile strength and Rockwell B84 hardness
• Quick installation in coarse-thread applications using the 1/4"-20 UNC right-hand thread design
• Full-length threading ensures maximum grip and uniform stress distribution
• Compliance with global environmental standards including RoHS 3 and REACH for safe usage

Professional Applications & Engineering Value

This 1/4"-20 UNC Socket Head Cap Screw delivers critical reliability in demanding assemblies where precision and durability are non-negotiable. Manufactured from 18-8 Stainless Steel, it resists oxidation and chemical exposure, making it suitable for machinery, automotive, and outdoor equipment. The Class 3A thread fit and coarse UNC thread provide excellent clamp load retention, reducing the risk of loosening under vibration. With its square drive and high-profile socket, the screw allows for high torque application without stripping, ensuring secure fastening in tight spaces. These attributes make it a trusted choice for engineers seeking high-strength fasteners that meet rigorous industrial standards.

Specification Summary & Compliance

This socket head cap screw features a 1/4"-20 UNC coarse thread with Class 3A fit for precise dimensional accuracy. It is fully threaded and right-hand oriented, with a tensile strength of 70,000 psi and Rockwell B84 hardness. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.