S-91067A143 M5 x 20 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• Precise and secure fastening thanks to Class 6g thread fit, minimizing the risk of loosening under vibration and load.
• Easy installation and adjustment with a standard slotted drive, compatible with common hand tools for straightforward assembly.
• Optimal material engagement from the coarse thread (0.8mm pitch), providing strong holding power in a variety of materials.
• Flush mounting capability due to the headless and flat tip design, ideal for applications where a protruding fastener is not permissible.
• Guaranteed dimensional accuracy and interchangeability, manufactured to meet DIN 551 and ISO 4766 standards.
• Safe for sensitive applications as it is RoHS 3 and REACH compliant, free from hazardous substances.

Professional Applications & Engineering Value

This M5 set screw is engineered to address common challenges in precision assembly, such as component slippage and corrosion-induced failure. The 18-8 stainless steel material offers excellent resistance to oxidation and chemicals, making it suitable for industrial applications in machinery, automotive, and electronics where environmental factors are a concern. Its headless design and flat tip allow for flush installation, preventing interference in tightly spaced components. The coarse thread with a 0.8mm pitch ensures quick installation and robust clamping force, reducing assembly time while maintaining joint integrity. Compliant with DIN 551 and ISO 4766, this metric set screw delivers consistent performance, helping engineers achieve reliable, long-lasting fastening solutions in demanding settings.

Specification Summary & Compliance

This product features a Metric M5 thread with a 0.8mm pitch and Class 6g thread fit for precise dimensional tolerance. It is manufactured in accordance with DIN 551 (equivalent to ISO 4766) standards, ensuring consistent quality and interchangeability. The set screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer applications without hazardous substances.