S-97307A116 M3 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise component alignment ensured by a 4mm shoulder diameter with tight tolerances (-0.03 to 0mm) and an 8mm shoulder length, minimizing assembly play.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for durable performance under load.
• Efficient installation and space-saving design with a low-profile socket head and slotted drive, allowing use in confined spaces.
• Reliable thread engagement via M3x0.5 coarse Class 6g metric threads, providing secure fastening and vibration resistance.
• Compliance with international standards including DIN 923, ensuring consistent quality and interchangeability in industrial applications.
• Environmental and safety adherence with RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment challenges in precision assemblies, such as in machinery, automotive components, and electronic devices. The 18-8 stainless steel material provides excellent corrosion resistance, reducing maintenance in humid or corrosive settings. Its low profile socket head and slotted drive facilitate easy installation in tight spaces, while the precise shoulder fit (4mm diameter with tight tolerances) ensures accurate positioning of parts like gears and pulleys, minimizing wear and misalignment. With a Class 6g thread fit and coarse M3x0.5 metric thread, it offers robust, vibration-resistant connections, making it a reliable choice for high-stress industrial applications where durability and precision are paramount.

Specification Summary & Compliance

This shoulder screw adheres to DIN 923 standards for dimensional consistency, with a Class 6g thread fit ensuring precise metric threading. Key tolerances include a shoulder diameter of 4mm (-0.03 to 0mm) and shoulder length of 8mm (0.07 to 0.15mm) for accurate assembly. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming compliance with environmental and safety requirements for industrial use.