corker nails

Cement-coated steel nails with a smooth round shank and a diamond point. Flat countersunk head. Sometimes made with a T-head for mechanical drivers.

	Length, inches	Gauge	Head diameter, inches	Number in a pound
2d	1	16	0.156	1220
3d	1¼	15	0.188	720
4d	1½	13½	0.219	420
5d	1 5/8	13½	0.219	320
6d	1 7/8	12½	0.250	250
7d	2 1/8	12½	0.250	220
8d	2 3/8	11	0.281	130
9d	2 5/8	11	0.281	120
10d	2 7/8	10	0.312	89
12d	3 1/8	10	0.312	81
16d	3 3/8	9	0.344	62
20d	3 7/8	7	0.375	38
30d	4 3/8	6	0.406	29
40d	4 7/8	5	0.438	22
50d	5 3/8	4*	0.469	17
60d	5 7/8	3	0.500	13

*The current ASTM standard says 0.226 inches, which is a thousandth larger than 4 gauge.