S-92981A511 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability and corrosion resistance thanks to the black oxide finish on high-strength alloy steel, extending service life in demanding environments.
• Precise component alignment and smooth rotation enabled by the 90mm shoulder with controlled diameter and length tolerances, reducing wear and assembly time.
• High load-bearing capacity with a tensile strength of 140,000 psi and shear strength of 84,000 psi, ensuring reliable performance under stress.
• Secure and efficient installation using a standard 8mm hex drive and socket head, providing a firm grip and reducing the risk of tool slippage.
• Consistent thread engagement and interchangeability with Class 5g6g thread fit and M12x1.75 coarse pitch, facilitating quick assembly and replacement.
• Compliance with international quality and safety standards including ISO 7379, RoHS 3, and REACH, ensuring product reliability and environmental responsibility.
• Versatile industrial application due to its metric design and robust construction, suitable for machinery, automotive, and precision equipment assemblies.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in rotating assemblies. The 90mm precision shoulder, made from alloy steel with a black oxide finish, provides a hardened, smooth bearing surface that minimizes friction and maintains alignment in pulleys, gears, and linkages. Its coarse thread pitch and Class 5g6g thread fit ensure quick, secure fastening even in high-vibration environments, reducing maintenance needs. Ideal for industrial applications requiring high strength and dimensional stability, this screw supports efficient production and long-term reliability in automotive, machinery, and automation systems.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent performance. Thread specifications adhere to Class 5g6g fit and Metric M12x1.75 coarse pitch standards. Manufactured in compliance with ISO 7379 for quality assurance, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable use.