S-90269A442 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Enhanced durability and wear resistance from the black oxide finish, providing a protective layer against abrasion and oxidation.
• High mechanical strength with 70,000 psi tensile strength and 35,000 psi minimum shear strength, ensuring reliable performance under load.
• Precise component alignment enabled by the 22mm shoulder length with standard fit, reducing wear on mating parts.
• Secure and efficient installation using the 2 mm hex drive and knurled head, preventing tool slippage and allowing for high torque application.
• Accurate and reliable threading with Class 5g6g thread fit and coarse M2 x 0.4mm pitch, ensuring consistent engagement and vibration resistance.
• Compliance with environmental standards including RoHS 3 and REACH, making it suitable for regulated industries and global supply chains.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and fastening challenges in precision assemblies. The 316 stainless steel material offers exceptional resistance to chemicals and corrosion, which is vital for applications in medical devices, food processing equipment, and marine environments. The black oxide finish not only enhances aesthetics but also adds a layer of protection against friction and environmental degradation. The 22mm shoulder length provides a precise pivot or bearing surface, minimizing misalignment and wear in rotating mechanisms like gears and pulleys. Combined with the hex drive socket head and knurled texture, it ensures quick, secure installation in tight spaces, reducing assembly time and improving overall mechanical integrity in industrial applications.

Specification Summary & Compliance

This shoulder screw features a metric thread with M2 x 0.4mm coarse pitch and Class 5g6g thread fit for standard tolerance. The shoulder diameter is 3 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 22 mm with a tolerance of 0 to 0.25 mm, ensuring dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.