Description
25mm 603 nails per Kg. These nails have tapered heads, which are designed to sit flush with the surface of the material that they are in driven to. Copper nails are manufactured to the wire gauge, where the highest number is the thinnest nail. Listed is the approximate equivalent size in millimetres, which is measured across the flats, and the quantity of nails per kilogram.
| British Standard Wire Gauge | ||
| SWG | Wire Diameter | |
| (in) | (mm) | |
| 0 | 0.324 | 8.23 |
| 1 | 0.3 | 7.62 |
| 2 | 0.276 | 7.01 |
| 3 | 0.252 | 6.40 |
| 4 | 0.232 | 5.89 |
| 5 | 0.212 | 5.39 |
| 6 | 0.192 | 4.88 |
| 7 | 0.176 | 4.47 |
| 8 | 0.16 | 4.06 |
| 9 | 0.144 | 3.66 |
| 10 | 0.128 | 3.25 |
| 11 | 0.116 | 2.95 |
| 12 | 0.104 | 2.64 |
| 13 | 0.092 | 2.34 |
| 14 | 0.08 | 2.03 |
| 15 | 0.072 | 1.83 |
| 16 | 0.064 | 1.63 |
| 17 | 0.056 | 1.42 |
| 18 | 0.048 | 1.22 |
| 19 | 0.04 | 1.02 |
| 20 | 0.036 | 0.91 |
| 21 | 0.032 | 0.81 |
| 22 | 0.028 | 0.71 |