S-98451A113 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 360 Brass material, ideal for harsh industrial environments and reducing maintenance costs
• Precise alignment and secure positioning due to the accurately machined shoulder with tight diameter and length tolerances
• High mechanical strength offering reliable performance under loads with 40,000 psi tensile strength and Rockwell B55 hardness
• Easy installation and removal with the 2 mm hex socket drive, minimizing tool slippage and assembly time
• Consistent thread engagement ensured by Class 6g thread fit, reducing the risk of cross-threading and improving joint integrity
• Durable and long-lasting performance from the smooth socket head design, resisting wear in high-cycle applications
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in various markets

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address common challenges in precision assemblies, such as misalignment and component wear. Made from 360 Brass, it provides excellent corrosion resistance, making it suitable for electrical components, marine equipment, and automotive systems where exposure to moisture is a concern. The Class 6g thread fit and precise shoulder dimensions ensure accurate alignment in machinery, reducing vibration and extending the life of connected parts. With a coarse thread pitch of 0.5mm, it allows for quick installation in industrial fasteners, while the socket head with hex drive facilitates secure tightening in confined spaces, enhancing overall assembly efficiency and reliability.

Specification Summary & Compliance

This shoulder screw adheres to Metric system standards with an M3 thread size and 0.5mm coarse pitch, ensuring compatibility in global applications. The thread is manufactured to Class 6g tolerance for consistent fit, while the shoulder features precise dimensions: 4mm diameter with a tolerance of -0.025 to 0 mm and 6mm length with 0 to 0.05 mm tolerance. It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and is REACH (EC 1907/2006) compliant, meeting stringent environmental and safety regulations for industrial use.