|
Approximate Diameter Of Screws To Nearest Fractional Equivalent
|
| Screw Size |
Fractional Equiv. |
|
#2 |
5/64
|
|
#4 |
7/64 |
|
#6 |
9/64
|
|
#8 |
5/32
|
|
#10 |
3/16
|
|
#12 |
7/32
|
|
#14 |
1/4
|
|
#16 |
17/64
|
|
#18 |
19/64
|
|
#20 |
5/16 |
|
#24
|
3/8
|
|
|
Pilot Hole Sizes For Wood Screws |
Screw
Size # |
Shank
Hole |
Pilot for
Soft Wood |
Pilot for
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 |
|
