S-90265A124 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Enhanced assembly precision through Class 5g6g thread fit, minimizing play and improving alignment in critical applications.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for dependable performance under load.
• Secure and efficient installation with a 2 mm hex socket drive and knurled head, providing excellent grip and torque transmission.
• Versatile shoulder design featuring a 20 mm shoulder length to act as a precise pivot, spacer, or axle in assemblies.
• Compliance with global standards including RoHS 3 and REACH, ensuring safe and environmentally responsible use.
• Optimized for coarse threading with M3 x 0.5 mm thread for faster assembly and reduced cross-threading risks.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address common challenges in precision assemblies, such as misalignment and component wear. The 18-8 stainless steel material provides excellent corrosion resistance, making it ideal for applications in machinery, electronics, and automotive sectors where exposure to moisture or chemicals is a concern. The hex socket drive and knurled head ensure secure, slip-resistant fastening, while the 20 mm shoulder serves as a reliable datum for rotating parts or as a spacer to maintain precise gaps. With a Class 5g6g thread fit and coarse M3 x 0.5 mm thread, it enables quick, accurate installation, reducing assembly time and improving overall system durability in high-stress environments.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M3 thread size, 0.5 mm pitch, and coarse thread spacing. Thread fit conforms to Class 5g6g for precise tolerance, while shoulder dimensions include a diameter of 4 mm (tolerance: -0.072 to -0.01 mm) and length of 20 mm (tolerance: 0 to 0.25 mm). It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.