S-90263A167 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life
• Exceptional mechanical strength with a tensile strength of 70,000 psi, ensuring reliable performance under high-stress conditions
• Precise alignment and location provided by the 8mm diameter shoulder with tight tolerances, reducing assembly errors and improving component fit
• Secure and efficient installation using a standard 4mm hex drive socket head, preventing cam-out and allowing for high torque application
• Consistent and reliable threading with a Class 6g metric thread fit, ensuring smooth engagement and vibration resistance in assemblies
• Broad industry compliance with RoHS 3 and REACH regulations, making it suitable for global markets and sensitive applications
• Optimized for coarse threading with a 1mm pitch, enabling faster assembly and disassembly in industrial maintenance and production

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in precision machinery, automation systems, and fixture design. The 316 stainless steel material offers excellent resistance to chemicals and moisture, preventing failure in corrosive settings like marine or chemical processing equipment. The passivated finish enhances this corrosion resistance while maintaining a smooth surface to minimize friction. The precise 8mm shoulder acts as a dependable locating dowel, ensuring components like gears, pulleys, and bearings are accurately positioned without additional parts, reducing assembly time and improving operational accuracy. Combined with a Class 6g thread fit and 70,000 psi tensile strength, it provides a robust fastening solution that withstands dynamic loads and vibrations, making it indispensable for high-performance industrial applications where reliability and precision are paramount.

Specification Summary & Compliance

This shoulder screw adheres to metric (M6x1mm) coarse thread standards with a Class 6g thread fit for consistent engagement. The shoulder features precise dimensional tolerances: diameter of 8mm (-0.025 to 0 mm) and length of 8mm (0 to 0.05 mm), ensuring accurate fit in assemblies. Manufactured from 316 stainless steel with a Rockwell B79 hardness and passivated finish, it meets stringent industry specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible usage in global markets.