Acorn cap nuts, sometimes called acorn hex cap nut, domed nut, blind nut, is a kind of top closed round head or flat head cap hexagonal nut, a body type of cold upsetting molding, semi-circular head part and the lower part of the nut as a whole, the internal threads with the use of bolts or screws. The role of cap nuts is dustproof, waterproof, anti-scratch, anti-weathering, decorative and beautiful. Its closed design protects the exposed end of the bolt from corrosion and rust, and is suitable for outdoor equipment, automobiles, electronic instruments, furniture, fitness equipment and other scenes.
Acorn Cap Hex Nuts Manufacturer
51Fasteners offers a full range of metric and imperial hex cap nuts to meet a variety of needs, from fine woodworking to large-scale engineering projects. Our products are exported to Southeast Asia, the Middle East, Europe, and the United States.
- International standards
- High-quality materials
- Complete range of sizes
- Fast delivery
- Customizable
Specifications
| Diameter | M3 to M72. |
| Color | White, Black, Yellow, Blue. |
| Thread | UNC thread, UNF thread, ISO thread, Metric thread, Imperial thread, Full thread, Half thread, Coarse thread, Fine thread. |
| Strength grade | 04, 05, 5, 6, 8, 10, 12. |
| Material | Carbon steel. Stainless steel. Brass. Aluminum. Nylon. |
| Surface | Zinc-plating, Geomet, Dacromet, Black Oxide, Phosphatizing, Powder Coating, Nickel plating, Silver plating, Nickel plating, Chrome plating. |
| Standard | GB, DIN, ISO, ANSI, ASME, BS, BSW, JIS, Non-standard, etc. |
| Packaging | Bulk, plastic bags, small box, color box, medium box, large box, pallets. |
Dome Cap Hex Nut Standards
| DIN 917 | DIN 986 | DIN 1587 | UNI 5721 | SAE J 483 | Q 394 |
| JIS B 1183 | DIN 319 | PN 82182 | SAE J 892 | Q 39 | Q 395 |
| IS 7790 | KS B 1026 | PN 82181 | NF E 27-453 | UNI 2733 |
Acorn Cap Nut Types
Self-Locking Hex Cap Nut
Nylon insert for vibration resistance
High-Profile Hex Cap Nut
Extended coverage for long stud protection
SS Hex Cap Nut
Antibacterial, corrosion resistant, high strength, and superior tensile properties.
Brass Cap Nut
Not prone to rust, with a durable appearance and color, suitable for decorative purposes.
Nylon Hex Domed Cap Nut
Lightweight material with excellent insulation and seismic resistance.
Ultra-Low Profile Cap Nut
50% reduced height for ultra-compact designs, Shorter height for confined spaces.
Ball Knob Cap Nut