S-90278A711 M1.6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• Precise component alignment thanks to the 2.5mm shoulder diameter with tight tolerances, minimizing assembly errors.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for durable, load-bearing applications.
• Secure and efficient installation with a 1.5mm hex socket drive, providing high torque transfer and reducing tool slippage.
• Reliable thread engagement through Class 6g metric coarse threads (0.35mm pitch), ensuring consistent fastening in various materials.
• Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe use in global industrial markets.
• Versatile right-hand threading designed for standard assembly processes, improving workflow efficiency.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. Made from 18-8 stainless steel, it resists corrosion in moist or chemical-exposed settings, extending service life in electronics, medical devices, and small machinery. The hex socket head with a 1.5mm drive enables compact tool access, ideal for confined spaces, while the precise shoulder fit (2.5mm diameter and length) ensures accurate positioning of components like gears and pulleys, reducing wear and vibration. With a coarse thread pitch of 0.35mm and Class 6g tolerance, it provides strong holding power in plastics and metals, streamlining production and maintenance in industrial applications.

Specification Summary & Compliance

This metric shoulder screw adheres to precise dimensional standards, including a Class 6g thread fit and shoulder diameter tolerance of -0.025 to 0 mm for consistent performance. It meets manufacturing specifications for right-hand metric threads and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.