S-92957A180 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Effortless manual installation and removal with a knurled thumb head and 2.5 mm hex drive, eliminating the need for tools in tight spaces.
• Superior corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh or humid industrial environments.
• Precise component alignment and pivot points enabled by the 6 mm precisely fitted shoulder, reducing wear and misalignment in assemblies.
• High mechanical strength and durability with a Rockwell B83 hardness and 70,000 psi tensile strength, suitable for demanding applications.
• Reliable and consistent threading with a Class 6g thread fit and M4 x 0.7 mm coarse pitch, ensuring secure fastening and vibration resistance.
• Compliance with major environmental regulations including RoHS 3 and REACH, making it safe for use in regulated industries worldwide.
• Optimized for right-hand thread applications with a raised round head design, offering comfortable grip and efficient manual operation.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and manual operation challenges in industrial settings. The 18-8 Stainless Steel construction provides excellent resistance to rust and corrosion, making it ideal for machinery, electronics, and outdoor equipment. The knurled thumb head and integrated hex drive allow for quick adjustments without tools, reducing assembly time in confined spaces. The precise shoulder with a length of 6 mm ensures accurate positioning of components, preventing lateral movement and extending the life of moving parts. With a Class 6g thread fit and coarse thread pitch, it offers robust performance in high-vibration environments, securing parts reliably in industrial fasteners applications.

Specification Summary & Compliance

This shoulder screw features a Metric M4 x 0.7 mm thread with Class 6g tolerance for precise fit. The shoulder diameter is 5 mm with a tolerance of -0.025 to 0 mm, and shoulder length is 6 mm with a tolerance of 0 to 0.05 mm, ensuring high dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial uses.