S-91313A139 M4 x 6 mm Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with Rockwell B80 hardness, providing reliable performance under high stress.
• Precise Class 6g thread fit for consistent mating and reduced assembly issues in metric applications.
• Secure anti-loosening performance through serrated locking mechanism, maintaining position under vibration.
• Compact headless design with 2mm hex drive, ideal for space-constrained assemblies and flush mounting.
• Effective cup tip design for concentrated gripping force and minimal surface damage on components.
• Full regulatory compliance with RoHS 3 and REACH, meeting global environmental and safety standards.

Professional Applications & Engineering Value

This M4 hex headless set screw delivers critical engineering solutions where space optimization and vibration resistance are paramount. Manufactured from 18-8 Stainless Steel, it provides excellent corrosion resistance for machinery, automotive, and electronics exposed to moisture or chemicals. The Class 6g thread fit ensures precise engagement with mating components, reducing cross-threading risks in automated assembly. Its serrated locking feature prevents unintentional loosening in high-vibration environments, while the cup tip concentrates clamping force for secure shaft or component retention. Ideal for permanent fastening in precision equipment, this metric set screw combines dimensional accuracy with material durability for demanding industrial applications.

Specification Summary & Compliance

This set screw features M4 x 0.7mm coarse metric threads with Class 6g tolerance for precise fit. It includes a 2mm hex drive, 6mm length, and right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.