S-3638N115 M6 x 30 mm DIN 561B Set Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength with Class 8.8 rating for reliable performance in demanding industrial applications
• Precise Class 6g thread fit ensures smooth installation and secure fastening with minimal play
• Extended 3mm tip design provides deeper penetration and superior component positioning
• Hardened steel construction with Rockwell C20 hardness offers excellent wear resistance and longevity
• External hex drive compatibility allows for high-torque installation using standard tools
• Coarse thread pitch enables quick assembly and reduced cross-threading risks
• Full regulatory compliance with RoHS 3 and REACH standards for safe use across industries

Professional Applications & Engineering Value

This M6 set screw delivers critical engineering advantages through its Class 8.8 steel construction and precision metric thread design. The extended tip with controlled diameter tolerance ensures positive seating in shallow holes, preventing component slippage in machinery, automotive assemblies, and precision equipment. The coarse thread spacing combined with Class 6g fit maintains consistent clamping force while accommodating minor misalignments during installation. Rockwell C20 hardness provides optimal balance between machinability and resistance to vibration-induced loosening, making this hex head set screw ideal for permanent fastening applications where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to DIN 561B specifications with M6 x 1mm coarse thread and Class 6g thread fit tolerance. Features include 30mm length, 8mm hex head, and extended tip with 3mm length (±0.25mm) and 4mm diameter (-0.18mm tolerance). Meets Class 8.8 strength requirements and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.