S-92957A110 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Excellent grip and tool-free operation thanks to the knurled thumb head with hex drive compatibility
• Precise component alignment ensured by the 4mm shoulder with tight diameter and length tolerances
• Reliable thread engagement with Class 6g metric thread fit for consistent fastening performance
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B83 hardness for demanding applications
• Quick installation facilitated by coarse M3 x 0.5mm right-hand threads and raised round head design
• Compliance with environmental regulations including RoHS 3 and REACH for safe use in various industries

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to solve critical alignment and fastening challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for electronics, machinery, and outdoor equipment. The 4mm shoulder with precise fit acts as a pivot or spacer, ensuring accurate component positioning and reducing wear. The knurled thumb head combined with a hex drive allows for easy manual or tool-assisted installation, speeding up assembly in tight spaces. With its Class 6g thread fit and coarse pitch, it offers quick, secure fastening in industrial applications where vibration resistance and durability are paramount.

Specification Summary & Compliance

This shoulder screw features a Class 6g thread fit per metric standards, with a shoulder diameter of 4mm (tolerance: -0.025 to 0 mm) and shoulder length of 4mm (tolerance: 0 to 0.05 mm) for high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.