Tap - Drill - Sizes
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Drills - To - Decimals
DrillDecimalDrillDecimal
Clearance
Thread sizeDecimal
1-72.076
2-56.089
3-48.104
4-40.116
5-40.136
6-32.144
8-32.170
10-24.196
1-32.196


Wood Screws
SizeClearsoft
wood
hard
wood
Lag Bolts
Lag-BoltSoft-WoodHard-Wood
1/43/167/32
5/1615/641/4
3/89/325/16
1/23/87/16
Sheet Metal Screws
Size Clear Pilot Hole
#4 7/64 3/32"
#6 9/64 7/64"
#8 11/64 1/8"
#10 3/16 9/64"
#12 7/32 5/32"
#14 1/4 3/16"