S-98621A118 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced wear resistance and reduced friction due to the durable TiCN coating, extending service life
• Superior shear strength and precise alignment from the 16mm shoulder with precise fit tolerances
• High tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance under heavy loads
• Secure and efficient installation with a standard hex socket drive, preventing cam-out
• Accurate and reliable coarse threading with Class 6g fit, ensuring consistent fastening in demanding applications
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and wear challenges in precision assemblies. The 16mm shoulder length with its precise diameter tolerance provides a stable pivot or spacer, eliminating the need for additional bushings and reducing assembly complexity. Manufactured from 18-8 Stainless Steel and finished with a TiCN coating, it offers excellent resistance to corrosion and abrasion, making it ideal for high-cycle machinery, automotive components, and electronic enclosures. The Class 6g thread fit and coarse thread pitch ensure quick assembly and reliable holding power in demanding industrial applications, reducing downtime and maintenance costs.

Specification Summary & Compliance

This precision metric shoulder screw features an M3x0.5 thread with a Class 6g thread fit and right-hand direction. The shoulder diameter tolerance is -0.025 to 0 mm, and the shoulder length tolerance is 0 to 0.05 mm, ensuring a precise shoulder fit. It is manufactured to high standards 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.