S-98621A142 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing replacement frequency.
• Exceptional wear resistance and extended service life due to the TiCN coating, minimizing friction and galling in high-movement applications.
• High mechanical strength and reliability with a tensile strength of 70,000 psi and Rockwell B55 hardness, ensuring secure fastening under load.
• Precise component alignment and reduced wobble offered by the 16mm shoulder with a precise fit, critical for machinery and assembly accuracy.
• Easy installation and removal with a standard hex socket head and 3mm drive, allowing for efficient maintenance with common tools.
• Accurate and reliable thread engagement with a Class 6g thread fit and M5x0.8 coarse thread, providing consistent performance in metric assemblies.
• Compliance with international environmental standards including RoHS 3 and REACH, ensuring safety and suitability for global markets.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel core provides excellent resistance to corrosion and oxidation, while the TiCN coating significantly enhances surface hardness and reduces wear in high-cycle operations. The 16mm shoulder length with precise tolerances ensures components like gears, pulleys, and bearings are accurately positioned, minimizing misalignment and vibration. With a Class 6g thread fit and coarse M5x0.8 thread, it offers quick assembly and reliable holding power in machinery, automotive, and electronic equipment, reducing downtime and maintenance costs.

Specification Summary & Compliance

This precision shoulder screw features a Class 6g thread fit with a shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm, ensuring high dimensional accuracy. It conforms to metric thread standards (M5x0.8) and is manufactured from 18-8 stainless steel with a tensile strength of 70,000 psi and Rockwell B55 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and reliability for professional use.