S-91390A551 M6 x 5 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Exceptional holding power with cup point design that bites into mating surfaces for secure, vibration-resistant fastening in dynamic applications.
• Superior strength and durability from high-grade alloy steel and a Rockwell C45 hardness rating, ensuring long-term reliability under heavy loads.
• Precise and reliable threading with Class 5g6g thread fit, guaranteeing consistent engagement and reducing the risk of cross-threading during installation.
• Space-saving headless design with a 3 mm hex drive, allowing for flush mounting in confined spaces and streamlined assembly.
• Wide industrial compatibility due to compliance with DIN 916 and ISO 4029 standards, ensuring interchangeability and meeting global engineering specifications.
• Enhanced environmental safety with RoHS 3 and REACH compliance, making it suitable for use in regulated industries without hazardous substances.
• Optimized for coarse threading (M6 x 1 mm), providing faster installation and increased resistance to loosening in high-vibration environments.

Professional Applications & Engineering Value

This M6 set screw is engineered to address common industrial challenges such as component slippage and assembly failure. Manufactured from alloy steel and featuring a cup point, it delivers superior grip on shafts, gears, and collars, preventing rotational movement in machinery. The headless hex drive design allows for compact installations where protrusions are not feasible, while the metric coarse thread ensures quick and secure fastening. Ideal for precision equipment, automotive systems, and heavy-duty industrial applications, this screw provides a reliable solution for maintaining alignment and torque in high-stress environments, backed by its Rockwell C45 hardness for enduring performance.

Specification Summary & Compliance

This set screw adheres to precise dimensional tolerances, including a Class 5g6g thread fit per ISO metric standards, ensuring accurate threading for consistent performance. It conforms to DIN 916 and ISO 4029 manufacturing specifications, guaranteeing quality and interoperability. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for use in various industrial sectors without restricted substances.