S-91067A163 M8 x 40 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 long-term reliability.
• Precise and secure fastening ensured by Class 6g thread fit, providing consistent engagement and reduced risk of loosening.
• High-strength holding power from the coarse M8 x 1.25mm thread, designed for maximum grip in industrial assemblies.
• Space-saving headless design allows for flush mounting in applications where protruding components are not feasible.
• Easy installation and adjustment with a simple slotted drive, compatible with standard tools for efficient maintenance.
• Reliable flat tip design offers concentrated contact pressure, minimizing component damage during securement.
• Compliance with international standards including DIN 551/ISO 4766, ensuring consistent quality and interchangeability.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M8 set screw delivers exceptional performance in machinery, automotive, and electronics assemblies. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, extending service life in humid or corrosive conditions. Its headless, slotted design is perfect for confined spaces, allowing components to be securely fastened without interference. The coarse metric thread with a 1.25mm pitch ensures quick installation and robust holding strength, reducing assembly time while preventing slippage. Ideal for securing gears, pulleys, and shafts, this fastener addresses common challenges like vibration-induced loosening and material degradation, offering a dependable, corrosion-resistant fastening solution that meets rigorous engineering standards.

Specification Summary & Compliance

This set screw adheres to precise metric dimensions: M8 thread size with a 1.25mm pitch and 40mm length, manufactured to Class 6g thread fit tolerances for accuracy. It conforms to DIN 551 and ISO 4766 standards, ensuring consistent thread form and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it is free from hazardous substances and safe for various industrial applications.