S-90270A211 M1.6 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 2mm shoulder diameter with tight tolerance for reliable assembly fit
• Exceptional thread engagement with Class 6g fit and coarse 0.35mm pitch for faster installation and reduced cross-threading risk
• Secure drive performance from the socket head design, providing high torque transfer and a clean, flush finish
• Consistent dimensional accuracy with controlled shoulder length and diameter tolerances for repeatable positioning
• Broad regulatory compliance meeting RoHS 3 and REACH standards for use in regulated and international markets
• Versatile right-hand metric threading compatible with standard M1.6 nuts and tapped holes

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical alignment challenges in compact assemblies. The 18-8 stainless steel material offers excellent resistance to oxidation and many chemicals, making it suitable for electronics, medical devices, and precision instruments where corrosion resistance is paramount. The 2mm shoulder diameter with precise tolerance acts as a reliable locating feature, eliminating component misalignment and reducing wear in dynamic applications. Combined with the Class 6g thread fit and coarse 0.35mm pitch, it ensures quick and secure fastening in metric assemblies, minimizing assembly time while maintaining structural integrity. The socket head design allows for efficient installation in confined spaces, providing a reliable solution for high-precision engineering demands.

Specification Summary & Compliance

This precision shoulder screw features a Metric M1.6x0.35mm coarse thread with Class 6g thread fit per ISO standards. The shoulder diameter is controlled to -0.025 to 0 mm tolerance, and shoulder length to -0.1 to 0 mm tolerance, ensuring precise fit. The product is manufactured from 18-8 stainless steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.