Inch tap drill sizes

Inch tap drill sizes reference chart.

#0-80 Thread
3/64 Drill
#1x64 Thread
#53 Drill
#1x72 Thread
#53 Drill
#2x56 Thread
#51 Drill
#2x64 Thread
#50 Drill
#3x48 Thread
5/64 Drill
#3x56 Thread
#46 Drill
#4x40 Thread
#43 Drill
#4x48 Thread
#42 Drill
#5x40 Thread
#39 Drill
#5x44 Thread
#37 Drill
#6x32 Thread
#36 Drill
#6x40 Thread
#33 Drill
#8x32 Thread
#29 Drill
#8x36 Thread
#29 Drill
#10x24 Thread
#25 Drill
#10x32 Thread
#21 Drill
#12x24 Thread
#17 Drill
#12x28 Thread
#15 Drill
1/4x20 Thread
#7 Drill
1/4x28 Thread
#3 Drill
5/16x18 Thread
F Drill
5/16x24 Thread
I Drill
3/8x16 Thread
5/16 Drill
3/8x24 Thread
Q Drill
7/16x14 Thread
U Drill
7/16x20 Thread
W Drill
1/2x13 Thread
27/64 Drill
1/2x20 Thread
29/64 Drill
9/16x12 Thread
31/64 Drill
9/16x18 Thread
33/64 Drill
5/8x11 Thread
17/32 Drill
5/8x18 Thread
37/64 Drill
3/4x10 Thread
21/32 Drill
3/4x16 Thread
11/16 Drill
7/8x9 Thread
49/64 Drill
7/8x14 Thread
13/16 Drill
1x8 Thread
7/8 Drill
1x12 Thread
29/32 Drill
1-1/8x7 Thread
63/64 Drill
1-1/8x12 Thread
1-3/64 Drill
1-1/4x7 Thread
1-7/64 Drill
1-1/4x12 Thread
1-11/64 Drill
1-1/2x6 Thread
1-11/32 Drill
1-1/2x12 Thread
1-27/64 Drill
1-3/4x5 Thread
1-35/64 Drill
1-3/4x12 Thread
1-43/64 Drill
2x4-1/2 Thread
1-25/32 Drill
2x12 Thread
1-59/64 Drill
2-1/4x4-1/2 Thread
2-1/32 Drill
2-1/2x4 Thread
2-1/4 Drill
3x4 Thread
2-3/4 Drill

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