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Nails and Spikes - US Standard Dimensions

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Common US wire nails dimensions

Nails and Spikes - US Standard Dimensions
GaugeNominal Shank Diameter

Nominal Shank Length

Number of Nails in a pound
2d 1 15 0.072 1 876
3d 14 0.083 1.25 568
4d 12½ 0.109 1.5 316
5d 12½ 0.109 1.75 271
6d 2 11½ 0.12 2 181
8d 10¼ 0.134 2.5 106
10d 3 9 0.148 3 69
12d 9 0.148 3.25 64
16d 8 0.165 3.5 49
20d 4 6 0.203 4 31
30d 5 0.22 4.5 24
40d 5 4 0.238 5 18
60d 6 2 0.238 6 11

1) In the United States nails are measured in pennies from the time they were sold by the penny. The abbreviation for pennies was d so nail sizes are described as 2D, 3D, etc.

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