S-91067A117 M3 x 3 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement frequency.
• Precise and secure fastening ensured by Class 6g thread fit, minimizing the risk of loosening under vibration.
• Flush, headless design allows for unobtrusive installation in applications where a protruding head is not feasible.
• Easy manual adjustment with a standard slotted drive, providing simple installation and removal with common tools.
• Reliable coarse threading (0.5mm pitch) offers quicker assembly and reduced cross-threading risk compared to fine threads.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Manufactured to DIN 551 and ISO 4766 standards guaranteeing consistent quality, dimensional accuracy, and interchangeability.

Professional Applications & Engineering Value

These M3 x 0.5mm set screws are engineered to address common industrial challenges such as component slippage and corrosion-induced failure. The 18-8 stainless steel material provides excellent resistance to oxidation and many chemicals, making these headless slotted screws ideal for machinery, electronics, and automotive assemblies exposed to moisture or demanding conditions. The flat tip and right-hand coarse thread ensure a firm grip on shafts and collars, preventing rotational movement without damaging the secured part. By adhering to DIN 551 and ISO 4766 specifications, these screws deliver reliable performance in precision applications, from securing gears to aligning components in tight spaces, enhancing overall equipment durability and reducing maintenance needs.

Specification Summary & Compliance

This metric set screw features an M3 thread size with a 0.5mm pitch and Class 6g thread fit for standard tolerance, ensuring compatibility with corresponding nuts and threaded holes. The 3mm length and flat tip design are specified per DIN 551 and ISO 4766 manufacturing standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use.