Materials Include : 18-8 ss, 316 ss, 400 series ss, Brass, Silicone Bronze, Monel, Carbon Steels, Alloy Steels, Aluminum.
Finishes Include : Zinc, Cadmium, Nickel Silver & Chrome Plating, Black Oxide, Anodize, Passivation and Heat Treating.
Cap Nuts looks like a hex nut with an acorn-shaped top! They are used to cover exposed bolt threads or to add a finished appearance.
| F | G | A | H | Q | T | U | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Sizeor Basic Major Diameterof Thread |
Width Across Flats | Width Across Corners | Body Diameter | Overall Height (Length) | Hexagon Height | Drill Depth | Full Thread | |||
| Max | Min | Max | Min | Max | Min | |||||
| #6 | 0.1380 | 0.3125 | 0.302 | 0.361 | 0.344 | 0.300 | 0.340 | 0.156 | 0.250 | 0.156 |
| #8 | 0.1640 | 0.3125 | 0.302 | 0.361 | 0.344 | 0.300 | 0.340 | 0.156 | 0.250 | 0.156 |
| #10 | 0.1900 | 0.3750 | 0.362 | 0.433 | 0.413 | 0.360 | 0.410 | 0.187 | 0.281 | 0.187 |
| #12 | 0.2160 | 0.3750 | 0.362 | 0.433 | 0.413 | 0.360 | 0.410 | 0.187 | 0.312 | 0.218 |
| 1/4" | 0.2500 | 0.4375 | 0.428 | 0.505 | 0.488 | 0.410 | 0.468 | 0.218 | 0.343 | 0.250 |
| 5/16" | 0.3125 | 0.5000 | 0.489 | 0.577 | 0.557 | 0.470 | 0.531 | 0.250 | 0.406 | 0.312 |
| 3/8" | 0.3750 | 0.5625 | 0.551 | 0.650 | 0.628 | 0.530 | 0.625 | 0.281 | 0.453 | 0.375 |
| 7/16" | 0.4375 | 0.6250 | 0.606 | 0.722 | 0.692 | 0.590 | 0.687 | 0.312 | 0.515 | 0.437 |
| 1/2" | 0.5000 | 0.7500 | 0.736 | 0.866 | 0.830 | 0.720 | 0.812 | 0.375 | 0.593 | 0.500 |
| 9/16" | 0.5625 | 0.8750 | 0.861 | 1.010 | 0.969 | 0.840 | 0.930 | 0.437 | 0.687 | 0.562 |
| 5/8" | 0.6250 | 0.9375 | 0.922 | 1.083 | 1.037 | 0.910 | 1.000 | 0.468 | 0.750 | 0.625 |
| 3/4" | 0.7500 | 1.0620 | 1.031 | 1.227 | 1.175 | 1.030 | 1.156 | 0.531 | 0.875 | 0.750 |
| 7/8" | 0.8750 | 1.2500 | 1.212 | 1.443 | 1.382 | 1.220 | 1.359 | 0.625 | 1.000 | 0.875 |
| 1" | 1.0000 | 1.4375 | 1.394 | 2.033 | 1.914 | 1.410 | 1.546 | 0.718 | 1.125 | 1.000 |
| 1-1/8" | 1.1250 | 1.6250 | 1.575 | 1.876 | 1.796 | 1.590 | 1.750 | 0.812 | 1.312 | 1.125 |
| 1-1/4" | 1.2500 | 1.8125 | 1.756 | 2.093 | 2.002 | 1.78 | 1.953 | 0.906 | 1.437 | 1.25 |
We can manufacturer and export any type of Low Crown Cap Nuts as per specifications (custom drawing and samples) for more information please Contact Us or Inquiry Now.