S-98621A149 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance and durability with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Enhanced wear resistance and reduced friction due to the TiCN coating, extending service life in high-movement applications.
• High mechanical strength and reliability with a tensile strength of 70,000 psi and Rockwell B55 hardness for demanding loads.
• Precise component alignment and secure pivoting enabled by the smooth, accurately machined shoulder with a diameter of 8mm and length of 20mm.
• Easy installation and removal using a standard 4 mm hex drive, providing a secure, slip-resistant connection.
• Consistent and reliable thread engagement with a Class 6g thread fit and coarse M6x1mm metric thread for quick assembly.
• Compliance with international environmental and safety standards, including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and wear challenges in precision machinery, automation systems, and assembly jigs. The 18-8 stainless steel core provides excellent resistance to rust and chemical exposure, while the TiCN coating significantly reduces surface wear and galling, which is common in high-cycle applications. The precise shoulder fit with controlled diameter and length tolerances ensures accurate location of components, minimizing misalignment and vibration. Its right-hand metric coarse thread (M6x1mm) allows for rapid installation and secure fastening, making it a reliable choice for industrial equipment where downtime must be minimized. This combination of material properties and dimensional accuracy delivers long-term performance and reduces maintenance needs in demanding engineering environments.

Specification Summary & Compliance

This precision shoulder screw adheres to metric (M6x1mm) thread standards with a Class 6g thread fit for consistent engagement. The shoulder features a diameter of 8 mm (tolerance: -0.025 to 0 mm) and length of 20 mm (tolerance: 0 to 0.05 mm), ensuring precise fit in assembly. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for use in regulated and environmentally conscious industries.