S-92957A260 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Effortless manual installation and removal thanks to the knurled thumb head and hex drive combination
• Exceptional mechanical strength with a tensile strength of 70,000 psi and Rockwell B83 hardness for reliable, long-term performance
• Precise component alignment and secure pivoting enabled by the 25mm long, precisely fitted shoulder
• Consistent and reliable mating with Class 6g thread fit and M4 x 0.7mm coarse thread for quick assembly
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and broad applicability
• Optimized for tool-free operation with a raised round head profile for enhanced grip and leverage

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to solve critical assembly challenges in machinery, automation, and precision equipment. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for demanding environments. The combination of a knurled thumb head and a hex drive offers dual functionality, allowing for quick manual adjustments or secure torque application with a tool. The precise shoulder ensures accurate alignment of moving parts, reducing wear and preventing misalignment in applications like linkages and rotating assemblies. Its right-hand thread with coarse spacing facilitates rapid installation, saving valuable time in production and maintenance cycles.

Specification Summary & Compliance

This metric shoulder screw features an M4 x 0.7mm thread with a Class 6g thread fit and a shoulder diameter tolerance of -0.025 to 0 mm for precise assembly. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring it is free from hazardous substances and suitable for global industrial use.