S-3638N116 M8 x 16 mm DIN 561B Set Screws

Key Features & Benefits at a Glance

• Exceptional Shear and Tensile Strength with Class 8.8 steel construction, ensuring reliable performance in high-stress industrial applications.
• Precise and Secure Fastening due to the Class 6g thread fit and coarse 1.25mm pitch, providing excellent resistance to vibration and loosening.
• Enhanced Durability and Wear Resistance from the Rockwell C20 hardness, extending the service life of the fastener in demanding environments.
• Easy and Efficient Installation with the external hex drive and 10mm head width, allowing for high torque application with standard tools.
• Superior Grip and Alignment from the 4mm extended tip, which ensures positive location and prevents component slippage.
• Guaranteed Dimensional Accuracy and interchangeability, manufactured in compliance with the precise DIN 561B standard.
• Safe for Sensitive Applications as it is RoHS 3 and REACH compliant, meeting strict environmental and health regulations.

Professional Applications & Engineering Value

This M8 x 1.25mm Class 8.8 steel hex set screw is engineered to address common industrial fastening challenges such as component misalignment and vibration-induced failure. The extended 4mm tip provides a positive locating feature, ensuring precise alignment in assemblies like motor shafts, pulleys, and gears. Made from high-strength steel with a Rockwell C20 hardness, it offers excellent resistance to wear and deformation under load. The coarse thread and Class 6g thread fit enhance grip in a variety of materials, reducing the risk of loosening in dynamic applications. Its external hex drive allows for easy installation and removal, making it ideal for maintenance and production lines where reliability and speed are critical. This metric set screw is a dependable choice for machinery, automotive, and heavy equipment sectors requiring robust, precision fasteners.

Specification Summary & Compliance

This fastener features an M8 thread size with a 1.25mm coarse pitch and Class 6g thread fit for standard metric tolerances. It is manufactured to meet the DIN 561B specification, ensuring dimensional accuracy and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for use in environmentally conscious industries.