Size
Length (Inch)
Gage No.
Diam of Head (Inch)
Approx Number per lb
2d
1
16
5/32
1,084
3d
1-1/8
15-1/2
11/64
923
4d
1-3/8
14
13/64
527
5d
1-5/8
13-1/2
7/32
387
6d
1-7/8
13
15/64
293
7d
2-1/8
12-1/2
1/4
223
8d
2-3/8
11-1/2
17/64
153
10d
2-7/8
11
9/32
111
12d
3-1/8
10
5/16
81
16d
3-1/4
9
11/32
64
20d
3-3/4
7
3/8
40
30d
4-1/4
6
13/32
30
40d
4-3/4
5
7/16
23
50d
5-1/4
4
15/32
60d
5-3/4
3
1/2