S-90269A471 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise shoulder alignment with a 4mm diameter and 30mm length, ensuring accurate component positioning and reduced assembly wear.
• Secure and easy installation featuring a knurled socket head and 2mm hex drive for improved grip and torque application without slippage.
• Durable surface protection from the black oxide finish, enhancing wear resistance and providing a sleek, professional appearance.
• Accurate and reliable threading with Class 5g6g metric coarse thread fit, ensuring consistent engagement and vibration resistance.
• Compliance with global standards including RoHS 3 and REACH, guaranteeing safety and environmental responsibility for international supply chains.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 316 stainless steel material provides excellent resistance to chemicals and moisture, making it suitable for industrial applications in machinery, automotive, and electronics where corrosion resistance is paramount. The 30mm shoulder length and 4mm shoulder diameter act as a precise pivot or spacer, reducing friction and misalignment in rotating parts. Combined with the black oxide finish and knurled head, it ensures secure fastening and easy maintenance, while the Class 5g6g thread fit maintains tight tolerances for vibration-prone environments. This screw delivers long-term reliability and reduces downtime in demanding engineering setups.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M3 x 0.5mm coarse thread and Class 5g6g thread fit for precise dimensional accuracy. 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, confirming its suitability for environmentally conscious and regulated industries.