S-90269A527 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 316 Stainless Steel and Black Oxide finish, ideal for harsh environments like marine or chemical processing.
• High mechanical strength and durability with 70,000 PSI tensile strength and 35,000 PSI shear strength, ensuring reliable performance under load.
• Precise Class 5g6g thread fit for smooth assembly and secure fastening in demanding metric applications.
• Secure and non-slip installation thanks to the knurled head and 2.5 mm hex socket drive, preventing tool slippage.
• Accurate shoulder positioning with a 4 mm shoulder length and controlled diameter tolerance, providing stable alignment for rotating components.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Coarse M3 x 0.5 mm thread for quick assembly and strong holding power in various materials.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining alignment in rotating parts and resisting corrosion in aggressive settings. Made from 316 Stainless Steel with a Black Oxide finish, it offers superior protection against moisture, chemicals, and high temperatures, reducing maintenance needs in industries like automotive, electronics, and machinery. The hex socket drive and knurled head ensure easy, secure installation without marring surfaces, while the precise shoulder diameter and length provide stable pivoting points for gears, linkages, and bearings. Its right-hand metric thread and high strength make it a reliable choice for applications requiring repeated adjustments and long-term durability.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy for consistent performance. Key tolerances include a shoulder diameter of 5 mm (tolerance: -0.072 to -0.01 mm) and shoulder length of 4 mm (tolerance: 0 to 0.25 mm). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use without hazardous substances.