S-98451A145 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with 360 brass construction, ideal for harsh environments and reducing maintenance costs
• Superior mechanical strength offering 40,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance in demanding applications
• Precise alignment and smooth rotation due to the 10mm diameter and 20mm length shoulder with tight tolerances, minimizing wear and assembly errors
• Secure and efficient installation with a 5mm hex socket drive, providing high torque transmission and reducing the risk of stripping
• Accurate and durable thread engagement from the M8x1.25mm coarse metric thread with Class 6g fit, ensuring vibration resistance and easy assembly
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices
• Versatile industrial use with a smooth socket head profile and right-hand thread, suitable for machinery, automotive, and precision equipment assemblies

Professional Applications & Engineering Value

This M8x1.25mm shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and component failure. Made from 360 brass, it provides excellent resistance to rust and degradation, making it perfect for applications in moist or chemically aggressive environments like marine equipment or outdoor machinery. The precision shoulder with a diameter of 10mm and length of 20mm ensures accurate positioning of moving parts, reducing friction and extending the lifespan of assemblies. Combined with a Class 6g thread fit and coarse pitch, it offers quick, secure fastening that withstands vibrations in industrial automation and automotive systems. The hex drive socket head allows for high-torque installation without slippage, enhancing efficiency in high-volume production lines while maintaining RoHS and REACH compliance for global safety standards.

Specification Summary & Compliance

This metric shoulder screw adheres to precise dimensional tolerances, including a shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm, ensuring consistent performance. The thread fit is Class 6g per ISO standards, providing reliable engagement. It meets RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloy and is REACH (EC 1907/2006) compliant, confirming its suitability for regulated industries. Manufactured to high-quality standards, it supports applications requiring durability and precision without compromising on safety.