S-90270A219 M1.6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise component alignment ensured by a 2mm diameter shoulder with tight tolerance for reduced assembly play.
• Easy installation and removal using the socket head design, providing secure torque application in confined spaces.
• Consistent thread engagement with Class 6g metric thread fit, minimizing cross-threading and ensuring reliable fastening.
• Durable coarse thread (0.35mm pitch) offers faster assembly and better performance in materials where fine threads may strip.
• Environmental compliance with RoHS 3 and REACH standards, meeting strict regulatory requirements for safe usage.
• Right-hand thread direction for standard installation, compatible with common assembly tools and processes.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical alignment challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, making it suitable for electronics, medical devices, and optical equipment where cleanliness and durability are paramount. The 2mm shoulder diameter and 6mm shoulder length deliver exact positioning for rotating parts or spacers, reducing wear and maintaining operational accuracy. With a coarse thread pitch and Class 6g thread fit, it ensures quick, secure fastening even in vibration-prone applications. The socket head allows for high-torque installation without slippage, enhancing assembly efficiency and reducing the risk of damage to sensitive components.

Specification Summary & Compliance

This shoulder screw features a metric M1.6x0.35mm coarse thread with Class 6g thread fit per ISO standards, ensuring dimensional accuracy. The shoulder diameter tolerance is -0.025 to 0 mm, and shoulder length tolerance is -0.2 to 0 mm, supporting precise fits. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe and sustainable use in industrial applications.