S-90323A472 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction with passivated finish, ideal for harsh industrial environments
• Precise component alignment ensured by the smooth, low-profile socket head and Class 6g thread fit for accurate assembly
• Exceptional mechanical durability with 80,000 psi tensile strength and Rockwell B95 hardness for long-term reliability
• Optimized for tight spaces with a low socket head profile and 3mm hex drive for easy installation in confined areas
• Consistent dimensional accuracy with shoulder diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm
• Broad regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious use
• Versatile coarse threading with M5x0.8 metric thread for quick, secure fastening in various applications

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to corrosion and wear, making it suitable for automotive, machinery, and electronic enclosures where environmental factors are a concern. The low socket head design and hex drive allow for secure torque application in limited-clearance setups, reducing the risk of stripping. With a 50mm shoulder length held to tight tolerances, it ensures exact positioning of moving parts like gears and pulleys, minimizing vibration and misalignment. This metric shoulder screw delivers reliable performance in jigs, fixtures, and robotics, where precise shoulder fit and high tensile strength are essential for operational safety and efficiency.

Specification Summary & Compliance

This shoulder screw adheres to metric (M5x0.8) coarse thread standards with a Class 6g thread fit for consistent engagement. The shoulder diameter tolerance is -0.025 to 0 mm, and shoulder length tolerance is 0 to 0.05 mm, ensuring precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated industries. Manufactured from 18-8 stainless steel with a passivated finish, it meets general industry requirements for corrosion resistance and mechanical performance, supporting applications demanding high reliability.