S-91390A704 M4 x 22 mm DIN 916 Set Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability due to alloy steel construction with Rockwell C45 hardness, resisting wear and deformation in demanding applications.
• Superior torque transmission enabled by the hex drive design, ensuring secure fastening and reducing the risk of tool slippage during installation.
• Reliable coarse thread engagement with M4 x 0.7mm pitch and Class 5g6g fit, providing quick assembly and vibration resistance in industrial settings.
• Secure, flush mounting with a headless cup tip design, ideal for applications requiring a smooth surface and firm component positioning.
• Compliance with international standards including DIN 916, ensuring consistent quality and interchangeability for global engineering projects.
• Environmentally responsible manufacturing with full RoHS 3 and REACH compliance, meeting stringent regulatory requirements for hazardous substances.
• Right-hand thread direction for standard installation, facilitating ease of use and compatibility with common assembly processes.

Professional Applications & Engineering Value

This M4 set screw is engineered from alloy steel to address critical industrial challenges, such as component loosening under vibration and high-stress conditions. The hex drive and headless design allow for compact installations in machinery, automotive assemblies, and precision equipment, where space is limited and reliable torque application is essential. With a coarse thread and cup tip, it ensures rapid, secure fastening that minimizes the risk of stripping and maintains alignment in dynamic environments. By meeting DIN 916 standards and offering Rockwell C45 hardness, this screw delivers consistent performance in industrial set screw applications, enhancing operational safety and reducing maintenance needs.

Specification Summary & Compliance

This product features precise metric thread specifications with M4 size, 0.7mm pitch, and Class 5g6g thread fit per ISO tolerances for accurate engagement. Manufactured in compliance with DIN 916 standards, it ensures dimensional consistency and reliability. Additionally, it is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.