S-91390A216 M20 x 30 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with coarse 2.5mm pitch threads for maximum resistance to loosening under vibration and heavy loads
• Exceptional durability provided by alloy steel construction and Rockwell C45 hardness, ensuring long service life in demanding environments
• Secure, non-slip fastening thanks to the cup tip design that bites into surfaces for reliable, headless component positioning
• Precise installation control with 10mm hex drive allowing for high torque application and consistent seating
• Global compatibility through compliance with DIN 916 and ISO 4029 standards, ensuring interchangeability in metric systems
• Environmental responsibility with full RoHS 3 and REACH compliance, meeting stringent international regulatory requirements
• Optimized thread engagement with Class 5g6g thread fit providing reliable performance in right-hand threaded applications

Professional Applications & Engineering Value

This M20 set screw delivers critical engineering solutions for industrial applications where reliable headless fastening is paramount. The alloy steel construction with Rockwell C45 hardness ensures exceptional resistance to wear and deformation, making it ideal for heavy machinery, automotive assemblies, and precision equipment. The cup tip design provides superior grip by concentrating pressure on a small contact area, preventing component slippage even under extreme vibration. With coarse metric threads and Class 5g6g thread fit, this fastener maintains secure positioning in demanding applications while the 10mm hex drive enables precise torque control during installation. Engineered to DIN 916/ISO 4029 standards, this set screw offers reliable performance in pulley systems, gear assemblies, and shaft collars where permanent positioning is required.

Specification Summary & Compliance

This metric set screw features M20 x 2.5mm coarse threads with Class 5g6g thread fit tolerance, ensuring precise dimensional accuracy according to DIN 916 and ISO 4029 specifications. The manufacturing process adheres to strict quality standards, producing a 30mm length fastener with consistent Rockwell C45 hardness throughout. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and safe use across industrial applications worldwide.