S-90323A612 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Precise component alignment enabled by the 3mm shoulder diameter with tight -0.025 to 0mm tolerance for accurate positioning
• High mechanical strength delivering 85,000 psi tensile strength and Rockwell B90 hardness for reliable performance under load
• Secure, low-profile fastening with the low socket head and 1.5mm hex drive, preventing stripping in confined spaces
• Consistent thread engagement ensured by Class 6g thread fit and M2x0.4mm coarse thread for quick, stable assembly
• Extended service life due to the durable 16mm shoulder length with precise tolerances, reducing wear and maintenance needs
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe, environmentally responsible use

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to solve critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for electronics, medical devices, and automation equipment. The 3mm precise shoulder diameter with minimal tolerance ensures accurate locating of components like gears and pulleys, eliminating misalignment issues. Its low socket head and hex drive design allow for secure installation in tight spaces, while the Class 6g thread fit and coarse thread pitch facilitate rapid, vibration-resistant fastening. Ideal for applications requiring repeated adjustments, this screw enhances assembly efficiency and long-term reliability in demanding industrial settings.

Specification Summary & Compliance

This metric shoulder screw adheres to precise dimensional standards, including a shoulder diameter tolerance of -0.025 to 0 mm, shoulder length tolerance of 0 to 0.05 mm, and Class 6g thread fit per metric threading norms. It is manufactured from 18-8 stainless steel with a passivated finish and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for industrial use.