S-91385A419 M6 x 20 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker prevents loosening under dynamic loads
• Exceptional temperature stability maintains locking performance from -50° to 250°F (-45° to 121°C)
• Superior hardness and durability with Rockwell C45 hardened alloy steel construction
• Precise thread engagement through Class 5g6g thread fit ensures reliable fastening
• Flush mounting capability with headless hex drive design for space-constrained applications
• Enhanced grip and security with cup point tip that bites into mating surfaces
• Corrosion-resistant black-oxide finish provides protection in demanding industrial environments

Professional Applications & Engineering Value

These M6 set screws with nylon patch thread locking deliver critical vibration resistance in high-stress mechanical assemblies. The black-oxide alloy steel construction combined with Rockwell C45 hardness ensures exceptional wear resistance and longevity in rotating equipment, machinery components, and precision instruments. The headless hex drive design allows for flush installation where protruding fasteners are impractical, while the cup point tip creates permanent seating marks for maximum anti-rotation security. Engineered to DIN 916/ISO 4029 standards, these metric set screws maintain consistent performance across industrial automation, automotive, and manufacturing applications where reliable positional locking is paramount.

Specification Summary & Compliance

Manufactured to DIN 916/ISO 4029 specifications with Class 5g6g thread fit tolerance for precision engagement. Features M6 x 1 mm coarse metric threads with right-hand direction and 20 mm length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.