Hex Coupling Nuts
Hex Cap Nuts
Hex Cap Nuts Manufacturer & Supplier in India
Hex Cap Nuts, also known as Acorn Nuts or Dome Nuts, are hexagonal fasteners with a domed top that covers exposed bolt or screw threads. These nuts provide both protection and an aesthetically clean finish, making them ideal for mechanical assemblies and decorative structures.
High-Quality Hex Cap Nuts for Industrial Applications
At AN Fastener Supplier, we manufacture and export high-quality Hex Cap Nuts in a wide range of materials, sizes, threads, and coatings, all made to international standards.
What Makes Our Hex Cap Nuts Unique?
- Thread Protection: Prevents thread damage and corrosion
- Enhanced Safety: Covers sharp thread ends, reducing injury risk
- Decorative Finish: Provides a smooth and polished appearance
- High Strength: Available in high tensile and stainless steel variants
Specifications of Hex Cap Nuts
International Standards
- ASME, DIN, ISO, BS, UNI, IFI, CSN, SAE, Indian IS, Polish PN
Size Range
- Metric Sizes: M2 to M160
- Imperial Sizes: 3/8″ to 8″
Thread Forms
UNC, UNF, ISO, BSW, ACME
Types Available
- Standard Hex Cap Nuts
- High Dome Cap Nuts
- Low Crown Cap Nuts
- Metric & Imperial Cap Nuts
Materials Available
- Stainless Steel: 304, 316, 321, 347, 904L
- Carbon Steel
- High Tensile Steel: Grades 8.8, 10.9, 12.9
- Alloy Steel: ASTM A194 Grade 2H, 2HM
- Nickel Alloys: Inconel, Monel, Hastelloy
- Non-Ferrous Metals: Brass, Copper, Aluminium Bronze, Silicon Bronze, Phosphor Bronze
Coating & Finishing Options
- PTFE Coated
- Hot Dip Galvanized
- Yellow / Blue / Black Zinc Plated
- Zinc Cobalt Plated
- Aluminium Zinc Flake Coated
- Black Phosphate
- Nickel Plated
Applications of Hex Cap Nuts
- Construction: Structural applications requiring bolt thread covrage
- Automotive: Used in wheels and engine assemblies
- Furniture: Enhances the finish and safety of exposed bolts
- Electronics: Prevents electrical shorts by covering conductive threads
- General Engineering: Protects assemblies from wear, dust, and corrosion
Hex Cap Nuts properties
| Forming | Hot & Cold Forged |
|---|---|
| Metric Size | M10 to M100 |
| Imperial size | 3/8″ to 8″ |
| Threads | UNC, UNF, ISO, BSW, ACME |
| Standards | ASME, DIN, ISO, BS, UNI, IFI, SAE |
| Sub Types |
1. Fully Threaded Hex Cap Nuts 2. Partially Threaded Hex Cap Nuts 3. Metric Hex Cap Nuts 4. Imperial Hex Cap Nuts |
Why Choose AN Fasteners Supplier for Hex Cap Nuts?
- Advanced manufacturing with precision tooling
- Wide inventory of materials and finishes
- Custom sizes and packaging available
- Global export-ready delivery
- Compliant with international quality standards
📞 Need bulk or custom Hex Cap Nuts?
Get in touch with AN Fastener Supplier today for premium-grade Hex Cap / Dome Nuts with reliable strength, superior finish, and fast shipping across India and worldwide.