Flange Hex Nuts M4-M12 | Galvanized Serrated Lock Nuts - HighFasteners

Self-Locking Fastener with Integrated Washer. Design: Flanged Hex with Serrated Bearing Surface. Sizes: M4 M5 M6 M8 M10 M12. Finish: Galvanized / Zinc Plated for corrosion protection. Feature: Serrations prevent loosening under vibration. Offer: Factory Direct wholesale pricing. Custom grades/sizes available. 💡 Need Non-Standard Sizes? We Are OEM Factory! We specialize in customizing flange nuts based on your Drawings or Samples. Custom Feature: Plain or Serrated Flange. Action: Click the button below to upload your drawing for a free quote.