[
SpecCalcs
]
Bolt Torque
Tap & Drill
Home
Tap Drill Sizes
Tap Drill Sizes
Tap drill sizes for inch and metric threads, with adjustable thread engagement percentage.
Unified (inch)
#4-40
#6-32
#8-32
#10-24
#12-24
1/4-20
5/16-18
3/8-16
7/16-14
1/2-13
9/16-12
5/8-11
3/4-10
7/8-9
1-8
#4-48
#6-40
#8-36
#10-32
1/4-28
5/16-24
3/8-24
7/16-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
1-12
Metric
M3
M4
M5
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30
M8x1.0
M10x1.0
M10x1.25
M12x1.25
M12x1.5
M14x1.5
M16x1.5
M18x1.5
M20x1.5
M24x2.0