S-91390A687 M20 x 35 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Exceptional holding power with Rockwell C45 hardness for reliable performance under high stress and vibration
• Superior torque transmission via the hex drive design and cup tip ensuring secure fastening and minimal slipping
• Precise thread engagement with extra fine M20x1.5mm thread and Class 5g6g fit for accurate alignment and reduced loosening
• Durable alloy steel construction providing excellent strength and resistance to wear in demanding industrial environments
• Compliance with DIN 916/ISO 4029 standards guaranteeing consistent quality, dimensional accuracy, and interchangeability
• Headless design allowing for flush mounting in applications where space is limited or a smooth surface is required
• Environmental responsibility with full RoHS 3 and REACH compliance, ensuring safe use in various regulated industries

Professional Applications & Engineering Value

This M20 set screw is engineered to address critical challenges in industrial applications where precise component positioning and unwavering holding force are essential. The alloy steel material with Rockwell C45 hardness ensures high tensile strength and durability, resisting deformation under heavy loads and repetitive stress. Its extra fine metric thread (M20x1.5mm) and Class 5g6g thread fit provide superior engagement and clamping force, minimizing the risk of loosening in high-vibration environments like machinery, automotive assemblies, and precision equipment. The hex headless design and cup tip facilitate easy installation with standard tools, delivering efficient torque transmission and a secure, flush finish. Ideal for securing gears, pulleys, and collars onto shafts, this DIN 916/ISO 4029 set screw offers reliable performance, reducing maintenance needs and enhancing operational safety in demanding engineering contexts.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including M20x1.5mm extra fine thread with Class 5g6g thread fit per ISO metric specifications, ensuring tight tolerances for accurate assembly. It meets DIN 916 and ISO 4029 manufacturing norms, confirming consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally conscious and safe industrial use.