S-91067A137 M5 x 6 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-lasting performance in humid or demanding industrial environments.
• Precise Class 6g thread fit guarantees reliable engagement and secure fastening, minimizing the risk of loosening.
• Coarse M5x0.8mm thread allows for quicker installation and is less susceptible to clogging with debris compared to fine threads.
• Slotted drive and headless design provides a low-profile, flush finish ideal for applications with limited space.
• Flat tip design offers excellent surface contact for a secure grip and minimal damage to the contact surface.
• Compliance with DIN 551 and ISO 4766 standards assures consistent quality, dimensional accuracy, and interchangeability.
• RoHS 3 and REACH compliance confirms the screw is free from hazardous substances, making it suitable for regulated industries.

Professional Applications & Engineering Value

This M5 metric set screw is engineered to address common challenges in precision assembly and machinery. The 18-8 stainless steel material provides excellent resistance to oxidation and corrosion, which is critical for components exposed to moisture, chemicals, or outdoor conditions. The headless, slotted design with a flat tip is specifically valuable for applications requiring a flush surface, such as in securing collars, gears, and pulleys onto shafts without protruding parts. Its coarse thread (0.8mm pitch) ensures rapid installation and robust holding power, reducing assembly time while maintaining a secure fit even in vibrating environments. By meeting DIN 551 and ISO 4766 specifications, this screw delivers the dimensional consistency and reliability needed for high-volume manufacturing and maintenance operations, ensuring parts are easily replaceable and perform as expected in demanding industrial fastening scenarios.

Specification Summary & Compliance

This set screw features a Metric M5 thread size with a 0.8mm coarse pitch and Class 6g thread fit for standard tolerance. It is manufactured in accordance with DIN 551 (which aligns with ISO 4766) for dimensional and performance consistency. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for hazardous substances.