Steel wire nails with a flat, countersunk head. (Sinkers are also made with a T-shaped head for use in power-driven nail guns.) They have a diamond point and a smooth round shank, and are either bright or cement coated.
| Length | Gauge | Head diameter, inches |
Number in a pound |
|
|---|---|---|---|---|
| 3d | 1 1/8 | 15½ | 0.172 | 940 |
| 4d | 1 3/8 | 14 | 0.203 | 530 |
| 5d | 1 5/8 | 13½ | 0.219 | 390 |
| 6d | 1 7/8 | 13 | 0.234 | 290 |
| 7d | 2 1/8 | 12½ | 0.250 | 220 |
| 8d | 2 3/8 | 11½ | 0.266 | 150 |
| 10d | 2 7/8 | 11 | 0.281 | 110 |
| 12d | 3 1/8 | 10 | 0.312 | 81 |
| 16d | 3¼ | 9 | 0.344 | 64 |
| 20d | 3¾ | 7 | 0.375 | 40 |
| 30d | 4¼ | 6 | 0.406 | 30 |
| 40d | 4¾ | 5 | 0.438 | 23 |
| 60d | 5¾ | 3 | 0.500 | 14 |
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Last revised: 30 September 2006.