S-90263A283 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and long-term durability in demanding applications
• Precise Class 6g thread fit guarantees consistent engagement and vibration resistance for secure assemblies
• Accurate 16mm shoulder length with tight tolerances provides stable alignment and spacing in precision machinery
• Hex socket drive design allows for easy installation and high torque application without stripping
• Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory acceptance in global markets
• Rockwell B79 hardness offers excellent wear resistance and maintains structural integrity under stress

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and corrosion challenges in industrial settings. The 316 stainless steel material, combined with a passivated finish, provides exceptional resistance to chemicals and moisture, making it ideal for applications in marine, chemical processing, and food equipment. The hex socket drive enables secure fastening in confined spaces, while the precise shoulder diameter and length ensure accurate component positioning, reducing wear and misalignment in rotating assemblies. With a coarse 1.25mm pitch metric thread, it offers quick installation and reliable performance in high-vibration environments, supporting efficient maintenance and assembly workflows.

Specification Summary & Compliance

This shoulder screw features a Class 6g thread fit per metric standards, with shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm for high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements. Manufactured to deliver consistent performance with a tensile strength of 70,000 psi, it meets industrial fastener specifications for reliability and durability.