S-90278A715 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 tight diameter tolerance of -0.025 to 0 mm.
• High-strength fastening with a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance under load.
• Secure, tamper-resistant installation using the 1.5 mm hex socket drive, providing a clean finish and preventing tool slippage.
• Consistent and reliable threading with a Class 6g fit and coarse 0.35 mm pitch for easier assembly and vibration resistance.
• Compliance with global environmental standards, being RoHS 3 and REACH compliant for safe use in regulated industries.
• Versatile right-hand metric thread (M1.6) designed for standard industrial applications and easy integration.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, making it suitable for electronics, medical devices, and automotive components where environmental factors are a concern. The hex socket head allows for high-torque installation in confined spaces, while the precise shoulder fit ensures accurate positioning of parts like gears, pulleys, and PCB mounts, reducing wear and misalignment. With a coarse thread pitch and Class 6g thread, it provides quick assembly and reliable holding power, minimizing the risk of loosening in vibrating machinery. This screw delivers consistent performance in demanding industrial applications, enhancing product longevity and reducing maintenance needs.

Specification Summary & Compliance

This shoulder screw features a metric M1.6x0.35mm coarse thread with a Class 6g thread fit for standard tolerance. The shoulder diameter is precisely controlled at 2.5 mm with a tolerance of -0.025 to 0 mm, and the shoulder length is 8 mm with a 0 to 0.05 mm tolerance, ensuring exact fitment. Manufactured from 18-8 stainless steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for global industrial and electronic uses.