S-91067A138 M5 x 8 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in demanding environments
• Maximum holding power ensured by Class 6g thread fit and coarse thread spacing for secure, vibration-resistant fastening
• Space-saving headless design allows for flush mounting in applications where protruding components aren't feasible
• Easy installation and adjustment with standard slotted drive compatible with common screwdrivers
• Precision flat tip design provides excellent surface contact and prevents damage to mating components
• International compliance with DIN 551 and ISO 4766 standards for reliable interchangeability across global projects
• Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

This M5 x 0.8mm DIN 551 metric set screw delivers exceptional engineering value in precision assembly applications where space constraints and corrosion resistance are critical factors. The 18-8 stainless steel construction provides excellent resistance to oxidation and chemical exposure, making it ideal for machinery, electrical enclosures, and outdoor equipment. The slotted headless design with flat tip ensures secure positioning of gears, pulleys, and collars on shafts without protruding hardware. The coarse thread pitch and Class 6g thread fit provide superior holding power against vibration and rotational forces in industrial settings. These metric set screws are particularly valuable in manufacturing, automotive, and electronics industries where precise component alignment and reliable fastening are essential for operational safety and equipment longevity.

Specification Summary & Compliance

This precision fastener features M5 thread size with 0.8mm pitch in coarse thread spacing, manufactured to Class 6g thread fit tolerance for optimal engagement. The screw complies with DIN 551 and ISO 4766 standards, ensuring dimensional accuracy and interchangeability. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The right-hand thread direction and flat tip design provide consistent performance across industrial fastening applications requiring reliable set screw solutions.