DRILL INCH MM
80 .0135 .34
79 .0145 .37
78 .0160 .41
77 .0180 .46
76 .0200 .51
75 .0210 .53
74 .0225 .57
73 .0240 .61
72 .0250 .64
71 .0260 .66
70 .0280 .71
69 .0290 .74
68 .0310 .79
67 .0320 .81
66 .0330 .84
65 .0350 .89
64 .0360 .91
63 .0370 .94
62 .0380 .97
61 .0390 .99
60 .0400 1.02
59 .0410 1.04
58 .0420 1.07
57 .0430 1.09
56 .0465 1.18
55 .0520 1.32
54 .0550 1.40
53 .0595 1.51
52 .0635 1.61
51 .0670 1.70
50 .0700 1.78
49 .0730 1.85
48 .0760 1.93
47 .0785 1.99
46 .0810 2.06
45 .0820 2.08
44 .0860 2.18
43 .0890 2.26
42 .0935 2.37
41 .0960 2.44
40 .0980 2.49
DRILL INCH MM
39 .0995 2.53
38 .1015 2.58
37 .1040 2.64
36 .1065 2.71
35 .1100 2.79
34 .1110 2.82
33 .1130 2.87
32 .1160 2.95
31 .1200 3.05
30 .1285 3.26
29 .1360 3.45
28 .1400 3.56
27 .1440 3.66
26 .1470 3.73
25 .1500 3.81
24 .1520 3.86
23 .1540 3.91
22 .1570 3.99
21 .1590 4.04
20 .1610 4.09
19 .1660 4.22
18 .1700 4.32
17 .1730 4.39
16 .1770 4.50
15 .1800 4.57
14 .1820 4.62
13 .1850 4.70
12 .1890 4.80
11 .1910 4.85
10 .1930 4.90
9 .1960 4.98
8 .1990 5.05
7 .2010 5.11
6 .2040 5.18
5 .2050 5.21
4 .2090 5.31
3 .2130 5.41
2 .2210 5.61
1 .2280 5.79
A .2340 5.94
B .2380 6.05
C .2420 6.15
D .2460 6.25
E .2500 6.35
