How do you know which drill bit to choose?
"Mark Lloyd" wrote in message
...
Wood Screw Pilot Hole Size
Screw Size Hard Wood Soft Wood Countersink Size
Tapered Bit Straight Bit Tapered Bit Straight Bit
2 3/32 1/16 5/64 1/16 1/4
3 7/64 5/64 3/32 1/16 1/4
4 7/64 5/64 3/32 1/16 1/4
5 1/8 3/32 7/64 5/64 5/16
6 9/64 7/64 1/8 3/32 5/16
7 5/32 7/64 9/64 3/32 5/16
8 11/64 1/8 5/32 7/64 3/8
9 3/16 9/64 11/64 1/8 3/8
10 13/64 9/64 3/16 1/8 7/16
12 7/32 5/32 13/64 9/64 7/16
14 1/4 11/64 15/64 5/32 1/2
16 9/32 3/16 17/64 11/64 9/16
18 5/16 7/32 19/64 13/64 5/8
20 21/64 15/64 5/16 7/32 3/4
24 3/8 17/64 3/8 1/4 3/4
The chart makes little sense but I saved it anyway, thanks.
Looks like the poster forgot the way proportional spacing (and other
things) can really make a mess of a well aligned table.
Yeah, I cut him some slack on that - and myself. A link might be
helpful if one exists.
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