S-97307A115 M3 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 Stainless Steel construction ensures long-term durability in harsh environments, reducing maintenance costs and downtime.
• Precise shoulder fit with tight diameter tolerance (-0.03 to 0 mm) guarantees exact alignment and smooth rotation in assemblies, minimizing wear and improving operational accuracy.
• High tensile strength of 70,000 psi and Rockwell B55 hardness provide reliable load-bearing capacity and resistance to deformation under stress.
• Low socket head design with slotted drive allows for easy installation in confined spaces while offering tool compatibility for efficient assembly.
• Class 6g thread fit and coarse pitch (0.5 mm) ensure secure fastening with reduced risk of cross-threading, speeding up production processes.
• Compliance with DIN 923 standards and RoHS 3/REACH regulations assures quality consistency and environmental safety for global industrial use.
• Right-hand thread direction and metric M3 size facilitate straightforward integration into standardized metric systems, enhancing interchangeability.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. Made from 18-8 stainless steel, it offers excellent corrosion resistance, making it ideal for applications in machinery, electronics, and automotive sectors where exposure to moisture or chemicals is common. The low socket head and slotted drive enable secure fastening in tight spaces, while the precise shoulder fit with minimal diameter tolerance ensures accurate positioning of components like bearings or gears, reducing vibration and misalignment issues. With a thread length of 4.5 mm and shoulder length of 6 mm, it provides stable support for rotational parts, enhancing overall system reliability and lifespan in demanding industrial environments.

Specification Summary & Compliance

The screw features a metric M3 thread with 0.5 mm coarse pitch and Class 6g thread fit for precise engagement, alongside a shoulder diameter tolerance of -0.03 to 0 mm and shoulder length tolerance of 0.07 to 0.15 mm to ensure dimensional accuracy. It is manufactured in accordance with DIN 923 standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for industrial use.