S-92981A952 M1.6 ASTM A108 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide finish, ideal for harsh industrial environments
• Enhanced durability and strength from alloy steel construction with Rockwell C32 hardness
• Precise alignment and smooth rotation ensured by the 30mm shoulder length with standard fit
• Reliable thread engagement with Class 5g6g thread fit for consistent assembly performance
• Easy installation and removal using a standard 1.5mm hex drive socket head
• Broad compliance with ASTM A108, RoHS 3, and REACH standards for global regulatory acceptance
• Optimized for metric applications with M1.6 coarse pitch (0.35mm) for quick assembly in various materials

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered from alloy steel with a black oxide finish to combat corrosion in demanding settings like machinery, electronics, and automotive assemblies. The 30mm shoulder length provides a stable bearing surface, reducing wear and ensuring precise component alignment in pivots, linkages, and rotating parts. With a Class 5g6g thread fit and coarse pitch, it offers quick installation and high resistance to loosening under vibration, solving common issues of misalignment and fastener failure. Ideal for precision industrial fasteners, it enhances assembly reliability and longevity in tight-tolerance applications.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter of 2 mm (tolerance: -0.072 to -0.01 mm) and shoulder length of 30 mm (tolerance: 0 to 0.25 mm) for exacting dimensional control. It meets ASTM A108 specifications for material quality, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for international markets.