S-90418A662 M8 x 6 mm ASME B18.3.6M Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh industrial environments
• Enhanced holding power through Class 6g thread fit precision ensuring secure fastening in demanding applications
• Reduced component damage with soft brass tip that protects mating surfaces while maintaining excellent grip
• High-strength performance backed by Rockwell B80 hardness rating for consistent durability under load
• Space-saving design with headless configuration ideal for compact assemblies and flush mounting requirements
• Quick installation using standard 4mm hex tools for efficient assembly and maintenance operations
• Reliable coarse threading (1.25mm pitch) that resists loosening from vibration and thermal cycling

Professional Applications & Engineering Value

This M8 metric set screw delivers exceptional engineering value in applications where space constraints and vibration resistance are critical concerns. The 18-8 stainless steel construction provides excellent corrosion resistance for machinery, automotive, and outdoor equipment applications, while the headless design enables flush mounting in pulleys, gears, and collars. The brass tip offers a superior solution for protecting expensive shafts and precision components from scoring or damage during installation and service. With its coarse thread pitch and Class 6g thread fit, this fastener maintains secure positioning even under significant vibrational stresses, making it ideal for rotating assemblies and precision alignment applications across various industrial sectors.

Specification Summary & Compliance

This precision metric set screw features M8 x 1.25mm coarse threading with Class 6g thread tolerance for optimal fit and performance. Manufactured to ASME B18.3.6M specifications, the fastener ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components. With a total length of 6mm and specialized brass tip measuring 2.4mm in length and 4.8mm in diameter, this set screw delivers reliable performance in precision engineering applications.