S-91273A466 M12 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing replacement frequency.
• Precise alignment and secure component positioning due to the 16mm shoulder length with tight tolerances, minimizing assembly errors.
• High mechanical strength and durability offering 70,000 PSI tensile strength and Rockwell B55 hardness for reliable performance under load.
• Easy installation and removal with a 6mm hex socket drive and knurled head, providing excellent grip and torque application.
• Accurate and reliable thread engagement ensured by the Class 5g6g thread fit, reducing the risk of cross-threading and loosening.
• Environmental and regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in various industrial applications.
• Optimized for coarse thread applications with M12x1.75mm metric thread, enabling quick assembly and high resistance to vibration.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common industrial challenges such as misalignment, vibration-induced loosening, and corrosion in demanding environments. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemicals, extending service life in machinery, automotive assemblies, and precision equipment. The hex socket head with knurling allows for secure tool engagement, reducing slippage during high-torque applications. The Class 5g6g thread fit and precise shoulder dimensions ensure consistent alignment and load distribution, critical for maintaining tolerances in automated systems and reducing maintenance downtime. Ideal for use in industrial fastening where reliability and compliance with RoHS and REACH are paramount, this screw delivers long-term value by minimizing failures and enhancing operational efficiency.

Specification Summary & Compliance

This shoulder screw adheres to metric thread standards with M12x1.75mm coarse threads and a Class 5g6g thread fit for precise tolerance control. Key dimensions include a shoulder diameter of 12 mm with a tolerance of -0.04 to -0.01 mm and a shoulder length of 16 mm with a tolerance of 0 to 0.25 mm, ensuring high accuracy in assembly. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, it is free from hazardous substances, supporting safe and sustainable industrial use. The mechanical properties, including a tensile strength of 70,000 PSI and shear strength of 35,000 PSI, confirm its reliability for high-stress applications.