S-90269A189 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial and marine environments
• Precise component alignment enabled by the 3mm shoulder diameter with tight tolerance for reliable assembly
• High-strength performance with 70,000 PSI tensile strength and Rockwell B79 hardness for demanding applications
• Secure, tamper-resistant fastening using the 2mm hex socket drive, preventing slippage during installation
• Accurate thread engagement with Class 5g6g metric coarse thread (0.4mm pitch) ensuring consistent fit
• Enhanced grip and handling from the knurled head texture, facilitating manual or automated installation
• Compliance with environmental regulations including RoHS 3 and REACH, meeting global industry standards

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 316 Stainless Steel material offers exceptional resistance to chemicals, moisture, and high temperatures, making it suitable for industrial machinery, medical devices, and electronic enclosures. The integrated shoulder provides a stable bearing surface, reducing wear on mating components and maintaining precise positioning under vibration. With its coarse pitch thread and Class 5g6g tolerance, it ensures quick, reliable fastening in automated production lines. The hex socket drive and knurled head enhance installation efficiency, minimizing tool wear and assembly time in high-volume manufacturing environments.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for precise dimensional control. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency for global supply chains.