Size

Length in.

Gage No.

Diam of head in.

Approx. Number PerIb

2d

1

15

11/64

847

3d

1 1/4

14

13/64

543

4d

1 1/2

12 1/2

1/4

294

5d

1 3/4

"

"

254

6d

2

11 1/2

17/64

167

7d

2 1/4

"

"

150

8d

2 1/2

10 1/4

9/32

101

9d

2 3/4

"

"

92

10d

3

9

5/16

66

12d

3 1/4

"

"

61

16d

3 1/2

8

11/32

47

20d

4

6

13/32

29

30d

4 1/2

5

7/16

22

40d

5

4

15/32

17

50d

5 1/2

3

1/2

13

60d

6

2

17/32

10