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These Are The Proper Drill Bit Sizes
for Drilling Pilot Shank Holes
SCREW GAGE
NUMBER
SHANK HOLE
HARD & SOFT WOOD
PILOT HOLE
SOFT WOOD
PILOT HOLE
HARD WOOD
0
1
2
3
4
5
6
7
8
9
10
11
12
14
16
18
20
1/16"
5/64"
3/32
7/64"
7/64"
1/8"
9/64"
5/32"
11/64"
3/16"
3/16"
13/64"
7/32"
1/4"
17/64"
19/64"
21/64"
1/64"
1/32"
1/32"
3/64"
3/64"
1/16"
1/16"
1/16"
5/64"
5/64"
3/32"
3/32"
7/64"
7/64"
9/64"
9/64
11/64"
1/32"
1/32"
3/64"
1/16"
1/16"
5/64"
5/64"
3/32"
3/32"
7/64"
7/64"
1/8"
1/8"
9/64"
5/32"
3/16"
13/64"

Zero Products, Inc.

219 Baywood
Houston, TX 77011
Toll Free: 800-991-1280
Fax: 713-675-6066
Local: 713.675.0123

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