Hex Domed Cap Nuts | Acorn Nuts Carbon Steel - HighFasteners

Aesthetic & Protective Fastener for Exposed Bolts. Design: Hex Base with Domed Cap (Acorn Shape). Material: Carbon Steel. Finish: Zinc Plated / Black Oxide for corrosion protection. Feature: Covers sharp threads for safety & clean look. Offer: Factory Direct wholesale pricing. Custom sizes available. 💡 Need Non-Standard Sizes? We Are OEM Factory! We specialize in customizing cap nuts based on your Drawings or Samples. Custom Material: Stainless Steel / Alloy. Action: Click the button below to upload your drawing for a free quote.