S-93355A390 M20 x 60 mm DIN 6334 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Exceptional load distribution through full-length M20 threading that maintains consistent strength across the entire 60 mm length
• Reliable mating performance with Class 6H thread fit ensuring precise engagement and vibration resistance
• Easy installation and removal using standard tools thanks to the external hex drive style and 30 mm width
• Optimized for high-strength applications with coarse 2.5 mm thread pitch providing superior resistance to loosening under dynamic loads
• Guaranteed dimensional accuracy through compliance with DIN 6334 manufacturing standards for consistent quality
• Environmentally responsible manufacturing with RoHS 3 compliance meeting strict international environmental regulations

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers critical engineering value in demanding industrial applications where extended fastening solutions are required. The M20 metric threading with 2.5 mm coarse pitch provides exceptional resistance to vibrational loosening in machinery, construction equipment, and structural frameworks. The fully threaded design along the entire 60 mm length ensures maximum thread engagement for connecting long rods, shafts, or threaded bars while maintaining uniform stress distribution. The external hex drive style facilitates quick installation and removal using standard wrenches, significantly reducing assembly time in production environments. Manufactured to DIN 6334 standards, this coupling nut offers reliable performance in automotive assemblies, industrial machinery, and infrastructure projects where precision and durability are paramount.

Specification Summary & Compliance

This coupling nut features M20 x 2.5 mm coarse metric threading with Class 6H thread fit tolerance ensuring precise dimensional accuracy according to ISO standards. The product complies with DIN 6334 manufacturing specifications for coupling nuts and meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety. The external hex drive measures 30 mm across flats with a total length of 60 mm, providing standardized dimensions for consistent performance across industrial applications.