S-90270A213 M1.6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Precise component alignment ensured by the accurately machined shoulder with a diameter of 2mm and a controlled fit, reducing assembly errors.
• High-strength coarse thread (M1.6x0.35mm) with Class 6g fit provides reliable fastening and resistance to vibration loosening in compact assemblies.
• Efficient installation and removal facilitated by the socket head design, allowing for high torque application and access in confined spaces.
• Consistent dimensional accuracy with controlled shoulder length and diameter tolerances, ensuring repeatable performance in automated or precision applications.
• Environmental compliance and safety with full adherence to RoHS 3 and REACH standards, making them suitable for regulated industries and global supply chains.
• Versatile right-hand thread design compatible with standard metric components, simplifying sourcing and integration into existing systems.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical challenges in precision assemblies where alignment and space constraints are paramount. The 18-8 stainless steel material offers excellent resistance to oxidation and corrosion, making it ideal for electronics, medical devices, and optical equipment exposed to moisture or chemicals. The precise shoulder fit acts as a pivot or bearing surface, eliminating misalignment in rotating parts and reducing wear. With its Class 6g thread fit and coarse pitch, it ensures quick assembly and robust holding power in lightweight structures. The socket head allows for compact tool engagement, perfect for high-density PCB mounts or miniature mechanical systems requiring reliable, repeatable fastening without compromising on performance or compliance with international environmental standards.

Specification Summary & Compliance

This precision metric shoulder screw features an M1.6 thread size with a 0.35mm coarse pitch and Class 6g thread fit per ISO metric standards. The shoulder diameter is 2 mm with a tolerance of -0.025 to 0 mm, and shoulder length is 1.5 mm with a tolerance of -0.1 to 0 mm, ensuring precise assembly. It is manufactured from 18-8 stainless steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global technical applications.