S-91385A412 M5 x 8 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch technology maintains secure fastening even under dynamic loads
• Exceptional durability from Rockwell C45 hardness alloy steel withstands heavy industrial use
• Reliable performance across extreme temperatures from -50° to 250°F (-45° to 121°C)
• Precise thread engagement with Class 5g6g tolerance ensures consistent fit and alignment
• Secure cup tip design provides excellent grip and prevents component damage during installation
• Corrosion-resistant black-oxide coating extends service life in demanding environments
• Space-saving headless configuration with 2.5mm hex drive allows flush mounting in tight spaces

Professional Applications & Engineering Value

These M5 set screws with coarse thread pitch deliver superior clamping force for permanent positioning applications in machinery, automotive assemblies, and precision equipment. The black-oxide alloy steel construction combined with nylon patch locking technology solves critical vibration-induced loosening problems in rotating components and high-stress environments. The cup tip design concentrates pressure on a small contact area, preventing shaft damage while ensuring maximum holding power. Engineered to DIN 916/ISO 4029 standards, these hex headless screws provide reliable performance where space constraints and vibration resistance are paramount concerns for industrial maintenance and manufacturing applications.

Specification Summary & Compliance

This metric set screw features M5x0.8mm coarse threading with Class 5g6g thread fit tolerance for precision engagement. Manufactured to DIN 916 ISO 4029 specifications, ensuring dimensional accuracy and performance consistency. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict regulatory adherence.