S-90269A481 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and black oxide finish, ideal for harsh industrial environments
• Precise alignment and spacing ensured by the 15mm shoulder with controlled tolerances for reliable assembly
• High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for demanding applications
• Secure and non-slip installation thanks to the knurled socket head and 2mm hex drive
• Accurate thread engagement with Class 5g6g fit and M3 x 0.5mm coarse thread for vibration resistance
• Consistent hardness and durability with Rockwell B79 rating for long-term performance
• Compliance with global standards including RoHS 3 and REACH for safe industrial use

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 316 stainless steel construction combined with a black oxide finish provides exceptional resistance to chemicals and moisture, making it suitable for industrial machinery, medical devices, and marine applications. The 15mm shoulder length with tight tolerances ensures accurate component spacing, while the Class 5g6g thread fit and coarse thread pitch enhance stability in high-vibration environments. The knurled socket head with hex drive allows for secure, tool-friendly installation, reducing assembly time and improving reliability in automated systems.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with 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 reliability in industrial applications.