S-3638N144 M16 x 50 mm DIN 561B Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 8.8 strength grade steel, ensuring reliable performance in high-stress industrial applications
• Precise thread engagement with Class 6g fit and M16x2mm coarse thread, providing secure fastening and reducing the risk of cross-threading
• Enhanced tip penetration from the 8mm extended tip design, offering improved grip and resistance against loosening under vibration
• Durable material construction using steel with Rockwell C20 hardness, delivering excellent wear resistance and long service life
• Easy installation and removal with the external hex drive and 18mm head width, allowing for standard tool compatibility and efficient maintenance
• Compliance with international standards including DIN 561B, ensuring consistent quality and interchangeability in global applications
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use

Professional Applications & Engineering Value

This M16x2mm hex set screw is engineered to address common challenges in industrial machinery, automotive assemblies, and heavy equipment where vibration and dynamic loads can compromise fastener integrity. The Class 8.8 steel construction provides high tensile strength, resisting deformation under torque, while the extended tip ensures deep seating in components to prevent slippage. Its coarse thread and Class 6g fit facilitate quick installation with minimal risk of stripping, making it ideal for repetitive assembly lines. By combining metric thread precision with robust external hex drive design, this screw offers a dependable solution for securing shafts, collars, and pulleys in demanding environments, reducing downtime and maintenance costs.

Specification Summary & Compliance

This set screw adheres to DIN 561B specifications, with precise dimensions including a 50mm length, M16x2mm coarse thread, and Class 6g thread fit for standard metric tolerances. The extended tip features an 8mm length with a diameter of 12mm and tight tolerances (tip length: 0 to 0.36mm; tip diameter: -0.27mm to 0) to ensure consistent performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for various industrial applications requiring environmental and safety standards.