S-91313A172 M8 x 10 mm Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and extending service life
• Exceptional holding power and vibration resistance from the serrated locking design, preventing loosening under dynamic loads
• High strength and durability with a Rockwell B80 hardness, ensuring reliable performance in demanding applications
• Precise and reliable installation using the 4mm hex drive, allowing for high torque application and flush mounting in headless designs
• Optimized for quick assembly with coarse M8 x 1.25mm threads, reducing installation time and improving efficiency
• Enhanced grip and seating from the cup tip, which digs into contact surfaces for a more secure fastening
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets

Professional Applications & Engineering Value

This M8 set screw is engineered to address critical challenges in industrial assembly, where vibration resistance, material integrity, and precise clamping force are paramount. The 18-8 stainless steel provides excellent corrosion resistance, making it suitable for machinery, automotive components, and outdoor equipment exposed to moisture or chemicals. Its headless design with a 4mm hex drive allows for flush installation in tight spaces, while the serrated locking type and cup tip work together to prevent back-off and maintain position under stress. The Class 6g thread fit ensures consistent engagement and reliable performance in high-vibration environments, reducing maintenance needs and downtime. This metric set screw delivers dependable, long-term fastening solutions for OEMs and maintenance teams seeking durability and regulatory compliance.

Specification Summary & Compliance

This set screw features M8 x 1.25mm coarse threads with a Class 6g thread fit for precise dimensional accuracy per metric standards. It is manufactured from 18-8 stainless steel and includes a hex drive (4mm), headless design, serrations for locking, and a cup tip. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.