Hex Domed Cap Nuts | Acorn Nuts Carbon Steel - HighFasteners

Product Overview

The Hex Domed Cap Nut (Acorn Nut) combines secure hex fastening with a smooth domed top that covers exposed bolt threads. It provides safety by enclosing sharp ends and a streamlined, professional appearance.

Crafted from durable carbon steel with protective finishes, it's ideal for applications where aesthetics, safety, and reliability matter.

Key Features:

Safety & Aesthetics: Domed cap hides sharp threads for catch-free, finished look.

Easy Installation: Hexagonal base allows standard wrench tightening.

Corrosion Protected: Zinc plated/black oxide finish ensures long-term durability.

Technical Specifications:

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Factory Direct Price | Fast Delivery | OEM Service

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Detailed Product Gallery

Technical Drawings & Specifications

Manufacturing & Quality Control

Advanced Cold Heading Precision manufacturing.

Optical Sorting 0-PPM defects.

Lab Testing Tensile & Salt Spray.

Project References

Machinery Clean Finish

Automotive Safety Covering

Construction Aesthetic Fastening

Frequently Asked Questions

Q: Can I get free samples?
Yes! We provide free samples for standard cap nuts. You only need to cover the shipping cost.

Q: What materials and finishes do you support?
Carbon steel standard, zinc plated/black oxide. Custom materials available.

Q: What certifications do you have?
We are ISO9001:2015 Certified. Every shipment comes with a Factory Quality Inspection Report.

Q: What is your delivery time?
Stock items: 3-7 days. Mass production: 20-30 days.

Q: Can you produce according to drawings?
Yes, OEM/ODM is our strength. Send us CAD drawings for a quote within 24 hours.

Q: What are your payment terms?
We generally accept T/T (30% deposit, 70% before shipment). For long-term partners, we can discuss L/C.