S-91385A407 M3 x 8 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch that maintains secure fastening in dynamic applications
• Superior corrosion protection through black-oxide coating on alloy steel for extended service life in harsh environments
• Precise thread engagement with Class 5g6g fit ensuring reliable installation and consistent clamping force
• High-strength performance backed by Rockwell C45 hardness for exceptional durability under mechanical stress
• Wide temperature tolerance with locking effectiveness maintained from -50° to 250°F for diverse operating conditions
• Space-saving headless design enabling flush mounting where protruding fasteners are not feasible
• Standardized compatibility meeting DIN 916/ISO 4029 specifications for reliable interchangeability in global applications

Professional Applications & Engineering Value

This M3 set screw delivers critical vibration resistance in precision assemblies where loosening could cause equipment failure. The nylon patch locking mechanism creates permanent friction without damaging threads, solving common maintenance issues in automotive components, industrial machinery, and electronic enclosures. Manufactured from black-oxide alloy steel with Rockwell C45 hardness, it withstands repeated torque applications while the cup tip design provides superior biting action into shaft materials. The hex drive configuration allows high installation torque in confined spaces, making it ideal for permanent positioning of gears, pulleys, and collars on rotating shafts.

Specification Summary & Compliance

Precision-machined to Class 5g6g thread fit with M3 x 0.5mm coarse thread spacing and 8mm length. Manufactured in compliance with DIN 916/ISO 4029 standards for dimensional accuracy and performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.