S-90278A722 M2.2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Precise component alignment ensured by the precisely machined shoulder with a tight diameter tolerance of -0.025 to 0 mm.
• High-strength performance with a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable load-bearing in demanding assemblies.
• Secure and flush installation using the 2 mm hex socket drive, providing a clean finish and reducing the risk of tool slippage.
• Optimized thread engagement with a Class 6g thread fit and coarse 0.45 mm pitch for faster assembly and robust holding power.
• Environmental compliance assurance by meeting RoHS 3 and REACH standards, supporting sustainable and responsible manufacturing practices.
• Versatile metric sizing with M2.2 thread and 4 mm thread length, making it a standard and easily sourced component for global projects.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and durability challenges in high-performance assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for applications in electronics, medical devices, and precision machinery where environmental factors are a concern. The hex socket drive allows for a compact and secure installation, minimizing protrusion and ensuring a neat assembly profile. The Class 6g thread fit and coarse 0.45 mm pitch facilitate quick and reliable fastening, reducing assembly time while maintaining joint integrity. The precisely controlled shoulder diameter and length tolerances guarantee accurate positioning of components, eliminating misalignment and wear in rotating or sliding mechanisms. This combination of features delivers enhanced reliability and longevity in industrial shoulder fasteners for automation, aerospace, and other technical sectors.

Specification Summary & Compliance

This M2.2 shoulder screw adheres to metric standards with a Class 6g thread fit for precise dimensional accuracy. The shoulder features a diameter tolerance of -0.025 to 0 mm and a length tolerance of 0 to 0.05 mm, ensuring consistent performance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting global environmental and safety standards.