S-90337A339 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments
• Precise component alignment ensured by the exact 3/8" shoulder diameter with tight tolerance (-0.001" to 0")
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Easy installation and removal with low-profile socket head and 3/16" hex drive, saving assembly time
• Reliable thread engagement through Class 2A fit and coarse 1/4"-20 UNC threads, reducing cross-threading risks
• Durable, long-lasting operation with right-hand thread direction and smooth head texture for consistent use
• Compliance with global standards including RoHS 3 and REACH, ensuring safe and regulated use

Professional Applications & Engineering Value

This low profile socket head shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to corrosion and wear, making it suitable for machinery, automotive, and electronic equipment exposed to moisture or chemicals. The precise 3/8" shoulder diameter and controlled tolerances ensure accurate positioning of moving parts, reducing vibration and misalignment issues. With a 1/4"-20 UNC coarse thread and Class 2A fit, it offers quick, secure fastening in high-stress applications, enhancing overall assembly reliability and lifespan.

Specification Summary & Compliance

This shoulder screw features a Class 2A thread fit and precise shoulder diameter tolerance of -0.001" to 0", adhering to standard UNC thread specifications. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.