S-90278A299 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise component alignment ensured by the 60mm shoulder with tight diameter tolerance (-0.025 to 0 mm)
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing
• Secure installation and removal with 3mm hex socket drive, preventing stripping under torque
• Accurate thread engagement with Class 6g thread fit, reducing assembly errors
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe usage
• Versatile coarse thread design for faster assembly in various industrial 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 provides excellent resistance to oxidation and chemical exposure, making it suitable for machinery, automotive, and electronics where environmental factors are a concern. The 60mm shoulder length with minimal tolerance ensures exact positioning of moving parts, reducing wear and vibration. Combined with a hex socket head and coarse metric thread, it allows for efficient installation in tight spaces, enhancing productivity in automated production lines and maintenance operations.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with M5x0.8 coarse thread and Class 6g thread fit for precise tolerance. The shoulder diameter tolerance is -0.025 to 0 mm, and shoulder length tolerance is 0 to 0.05 mm, ensuring high dimensional accuracy. It is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial applications without hazardous substances.