S-97307A117 M3 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing maintenance costs.
• Precise component alignment ensured by the smooth, low socket head and precisely fitted shoulder, minimizing assembly play and vibration.
• High mechanical strength and durability from Rockwell B55 hardness and 70,000 psi tensile strength, providing reliable performance under load.
• Easy installation and removal with the combination of a slotted drive and coarse M3 x 0.5mm thread, speeding up assembly processes.
• Consistent dimensional accuracy with Class 6g thread fit and tight shoulder diameter tolerance, ensuring interchangeability and fit in precision applications.
• Compliance with international standards including DIN 923, guaranteeing quality and reliability for engineering and manufacturing use.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for global markets and sensitive applications.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address common industrial challenges such as misalignment and wear in moving parts. Made from 18-8 Stainless Steel, it offers excellent resistance to corrosion and oxidation, extending service life in demanding environments like machinery, automotive assemblies, and electronic enclosures. The low socket head and slotted drive facilitate compact designs and easy access in tight spaces, while the precise shoulder fit with minimal diameter tolerance ensures stable pivoting and rotational accuracy. The coarse metric thread (M3 x 0.5mm) and Class 6g thread fit provide secure fastening with reduced risk of stripping, making it a reliable choice for high-stress applications where vibration resistance and repeatability are critical.

Specification Summary & Compliance

This shoulder screw features a metric thread size M3 x 0.5mm with Class 6g thread fit and a shoulder diameter tolerance of -0.03 to 0 mm for high precision. It conforms to the DIN 923 standard and is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B55 and tensile strength of 70,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.