S-98621A123 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced wear resistance and durability with TiCN coating, extending service life in high-friction applications
• Reliable corrosion resistance from 18-8 stainless steel, ideal for harsh industrial environments
• Precise assembly and alignment ensured by the 5mm shoulder with tight tolerances for consistent performance
• High tensile strength of 70,000 psi provides secure fastening under heavy loads and vibrations
• Easy installation and removal with hex drive design, reducing tool slippage and maintenance time
• Accurate thread engagement due to Class 6g thread fit, minimizing the risk of cross-threading
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical challenges in precision machinery, such as misalignment and component wear. Made from 18-8 stainless steel and featuring a TiCN coating, it offers superior corrosion and abrasion resistance, making it suitable for automated systems, robotics, and conveyor assemblies. The Class 6g thread fit and precise shoulder dimensions ensure stable positioning in metric applications, reducing downtime and maintenance costs. Its hex drive and coarse thread design facilitate quick installation, while the high tensile strength supports demanding operational stresses, enhancing overall equipment reliability.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with an M4x0.7 thread size and Class 6g thread fit for precise tolerance. The shoulder diameter is 5 mm with a tolerance of -0.025 to 0 mm, and shoulder length is 5 mm with 0 to 0.05 mm tolerance, ensuring accurate fits. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances.