S-90418A664 M8 x 8 mm ASME B18.3.6M Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Enhanced surface protection and non-marring grip from the integrated brass soft tip, preventing damage to mating components.
• Reliable and secure fastening ensured by the Class 6g thread fit, providing excellent dimensional accuracy.
• High torque application capability with a 4mm hex drive, allowing for easy installation and removal.
• Durable mechanical performance backed by a Rockwell B80 hardness rating for long-term reliability.
• Optimized for coarse thread applications with a 1.25mm pitch, offering quick assembly and strong holding power.
• Broad industrial compliance meeting ASME B18.3.6M standards, RoHS 3, and REACH regulations for safe, global use.

Professional Applications & Engineering Value

This M8 metric set screw is engineered to address critical challenges in precision assembly and motion control systems. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, making it suitable for applications in machinery, automotive, and electronics exposed to moisture or chemicals. The headless design with a hex drive allows for flush mounting in tight spaces, while the brass soft tip ensures a secure, non-slip grip on shafts and collars without damaging sensitive surfaces. With its coarse thread pitch and Class 6g thread fit, it delivers rapid installation and consistent clamping force, reducing assembly time and improving operational efficiency in high-vibration environments.

Specification Summary & Compliance

This set screw features an M8 x 1.25mm coarse thread with a Class 6g thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.3.6M standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, ensuring environmental safety and material reliability for industrial use.