S-92981A108 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability: Crafted from high-strength alloy steel with a black oxide finish for superior corrosion resistance and long-lasting performance in harsh industrial environments.
• Precision Fit & Alignment: Features a Class 5g6g thread fit and precise shoulder diameter tolerance (-0.072 to -0.01 mm), ensuring reliable assembly and reduced wear in rotating applications.
• High Load Capacity: Offers a tensile strength of 140,000 psi and minimum shear strength of 84,000 psi, providing robust holding power for demanding mechanical assemblies.
• Secure & Easy Installation: Hex socket head with 3 mm drive and knurled texture allows for firm tool grip and efficient tightening, minimizing slippage and installation time.
• Versatile Coarse Thread Design: M5x0.8 mm coarse right-hand thread enables quick engagement and disassembly, ideal for high-vibration applications and maintenance-friendly setups.
• Consistent Hardness: Rockwell C32 hardness ensures uniform strength and resistance to deformation under stress, enhancing reliability in precision engineering.
• Compliant & Safe: Meets RoHS 3 and REACH regulations, ensuring environmental safety and suitability for global industrial supply chains.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in rotating machinery. The alloy steel construction, combined with a black oxide finish, provides excellent resistance to corrosion and abrasion, making it ideal for automotive, aerospace, and heavy equipment applications. The hex socket head with knurling ensures secure tool engagement, reducing the risk of stripping during high-torque assembly. With a coarse thread (0.8 mm pitch) and precise Class 5g6g thread fit, it facilitates rapid installation and stable performance in high-vibration environments, while the shoulder design supports accurate positioning of parts like bearings and pulleys, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with an M5 thread size, 0.8 mm coarse pitch, and Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory adherence for industrial use.