S-90269A526 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extending service life.
• Precise component alignment ensured by the 5mm diameter shoulder with controlled tolerances, reducing assembly errors.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B79 hardness for reliable performance under load.
• Secure and efficient installation with a 2.5 mm hex socket drive and knurled head for superior grip and torque application.
• Consistent thread engagement provided by the Class 5g6g M3 x 0.5 mm coarse thread, ensuring reliable fastening.
• Durable and long-lasting performance with a robust 20mm shoulder length, providing stable bearing surfaces.
• Compliance with environmental standards, being RoHS 3 and REACH compliant for safe and regulated industrial use.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 316 Stainless Steel material offers exceptional corrosion resistance, making it suitable for environments exposed to moisture, chemicals, or extreme temperatures. The precision 5mm shoulder diameter with tight tolerances ensures accurate positioning of components like gears, pulleys, and linkages, preventing misalignment and reducing wear. The coarse 0.5mm pitch thread and Class 5g6g fit provide reliable fastening with minimal risk of stripping, while the hex socket drive and knurled head facilitate easy installation in confined spaces. With a 20mm shoulder length, it offers a stable pivot or bearing surface, enhancing the longevity and performance of assemblies in machinery, automation, and precision equipment.

Specification Summary & Compliance

This shoulder screw features a metric M3 x 0.5 mm coarse thread with a Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring consistent performance. Manufactured from 316 Stainless Steel with a hardness of Rockwell B79, it meets high mechanical standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for various industrial uses.