S-98451A144 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 360 brass construction, ideal for harsh industrial environments and extending service life.
• Enhanced durability and strength from Rockwell B55 hardness and 40,000 psi tensile strength, reducing failure risks under load.
• Precise component alignment ensured by the 10mm shoulder diameter with tight tolerance and 18mm shoulder length for stable assemblies.
• Reliable thread engagement with Class 6g metric coarse thread (M8x1.25), providing secure fastening and easy installation.
• Efficient installation and removal using the 5mm hex socket drive, allowing high torque application without slippage.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Right-hand coarse threading for quick assembly and strong holding power in various materials.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges like misalignment and corrosion. The 360 brass material offers excellent resistance to rust and wear, making it suitable for machinery, automotive, and electronic assemblies where exposure to moisture or chemicals is a concern. The precise shoulder fit (10mm diameter with -0.025 to 0 mm tolerance) and 18mm length provide accurate positioning for rotating parts, reducing vibration and extending equipment life. With a Class 6g thread and coarse pitch, it ensures fast, secure fastening in high-stress applications, while the socket head design allows for compact installations in tight spaces. Ideal for industrial shoulder bolt uses, this component enhances reliability in precision mechanisms.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M8x1.25 thread size and Class 6g thread fit for consistent performance. The shoulder features precise dimensions: 10mm diameter (-0.025 to 0 mm tolerance) and 18mm length (0 to 0.05 mm tolerance), ensuring accurate assembly. It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006), meeting environmental and safety regulations for industrial fasteners.