S-90263A177 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 316 stainless steel construction with passivated finish, ideal for harsh industrial environments
• Precise component alignment ensured by the 40mm shoulder with tight diameter tolerance for accurate positioning
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B79 hardness for demanding applications
• Secure and reliable fastening with Class 6g thread fit and coarse thread spacing for vibration resistance
• Easy installation and removal using the standard 4mm hex socket drive, preventing tool slippage
• Compliance with environmental regulations including RoHS 3 and REACH for safe industrial use
• Durable smooth head design with 13mm diameter providing a flush finish and consistent torque application

Professional Applications & Engineering Value

This M6x1mm shoulder screw is engineered to solve critical alignment challenges in precision machinery, automation systems, and assembly fixtures. The 316 stainless steel material and passivated finish provide exceptional resistance to chemicals, moisture, and oxidation, extending service life in corrosive environments. The 40mm shoulder length with precise diameter control acts as a reliable pivot or spacer, eliminating misalignment and reducing wear on moving parts. Combined with the Class 6g thread fit and coarse thread spacing, it ensures secure fastening under dynamic loads, making it ideal for industrial shoulder bolt applications where dimensional accuracy and durability are paramount.

Specification Summary & Compliance

This shoulder screw features M6x1mm metric coarse threads with Class 6g tolerance for precise fit. The shoulder diameter is 8mm with a tolerance of -0.025 to 0 mm, and shoulder length is 40mm with 0 to 0.05 mm tolerance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.