Pilot Hole Sizes For Wood Screws

 

Pilot Hole Sizes For Wood Screws
Screw   Gauge #	Shank   Hole	Pilot   Soft Wood	Pilot   Hard Wood
0	1/16	1/64	1/32
1	5/64	1/32	1/32
2	3/32	1/32	3/64
3	7/64	3/64	1/16
4	7/64	3/64	1/16
5	1/8	1/16	5/64
6	9/64	1/16	5/64
7	5/32	1/16	3/32
8	11/64	5/64	3/32
9	3/16	5/64	7/64
10	3/16	3/32	7/64
11	13/64	3/32	1/8
12	7/32	7/64	1/8
14	1/4	7/64	9/64
16	17/64	9/64	5/32
18	19/64	9/64	3/16
20	21/64	11/64	13/64