Drill Size Dec.
inches 		MM   Drill Size Dec.
inches 		MM   Drill Size Dec.
inches 		MM   Drill Size Dec.
inches 		MM
-- .0039 .10   45 .0820 2.08   4 .2090 5.31   15/32 .4688 11.91
-- .0079 .20   44 .0860 2.18   3 .2130 5.41   -- .4724 12.00
-- .0098 .25   43 .0890 2.26   7/32 .2188 5.56   31/64 .4844 12.30
-- .0118 .30   42 .0935 2.37   2 .2210 5.61   1/2 .5000 12.70
80 .0135 .34   3/32 .0938 2.38   1 .2280 5.79   -- .5118 13.00
79 .0145 .37   41 .0960 2.44   A .2340 5.94   33/64 .5156 13.10
1/64 .0156 .40   40 .0980 2.50   15/64 .2344 5.95   17/32 .5312 13.49
78 .0160 .41   39 .0995 2.53   -- .2362 6.00   35/64 .5469 13.89
77 .0180 .46   38 .1015 2.58   B .2380 6.05   -- .5512 14.00
-- .0197 .50   37 .1040 2.64   C .2420 6.15   9/16 .5625 14.29
76 .0200 .51   36 .1065 2.71   D .2460 6.25   37/64 .5781 14.68
75 .0210 .53   7/64 .1094 2.78   1/4 .2500 6.35   -- .5906 15.00
74 .0225 .57   35 .1100 2.79   E .2500 6.35   19/32 .5908 15.08
-- .0236 .60   34 .1110 2.82   F .2570 6.53   39/64 .6094 15.48
73 .0240 .61   33 .1130 2.87   G .2610 6.63   5/8 .6250 15.88
72 .0250 .64   32 .1160 2.95   17/64 .2656 6.75   -- .6299 16.00
71 .0260 .66   -- .1181 3.00   H .2660 6.76   41/64 .6406 16.27
-- .0276 .70   31 .1200 3.05   I .2720 6.91   21/32 .6562 16.67
70 .0280 .71   1/8 .1250 3.18   -- .2756 7.00   -- .6693 17.00
69 .0292 .74   30 .1285 3.26   J .2770 7.04   43/64 .6719 17.07
-- .0295 .75   29 .1360 3.45   K .2810 7.14   11/16 .6875 17.46
68 .0310 .79   28 .1405 3.57   9/32 .2812 7.14   45/64 .7031 17.86
1/32 .0313 .79   9/64 .1406 3.57   L .2900 7.37   -- .7087 18.00
-- .0315 .80   27 .1440 3.66   M .2950 7.49   23/32 .7188 18.26
67 .0320 .81   26 .1470 3.73   19/64 .2969 7.54   47/64 .7344 18.65
66 .0330 .84   25 .1495 3.80   N .3020 7.67   -- .7480 19.00
65 .0350 .89   24 .1520 3.86   5/16 .3125 7.94   3/4 .7500 19.05
-- .0354 .90   23 .1540 3.91   -- .3150 8.00   49/64 .7656 19.45
64 .0360 .91   5/32 .1562 3.97   O .3160 8.03   25/32 .7812 19.84
63 .0370 .94   22 .1570 3.99   P .3230 8.20   -- .7874 20.00
62 .0380 .97   -- .1575 4.00   21/64 .3281 8.33   51/64 .7969 20.24
61 .0390 .99   21 .1590 4.04   Q .3320 5.43   13/16 .8125 20.64
-- .0394 1.00   20 .1610 4.09   R .3390 8.61   -- .8268 21.00
60 .0400 1.02   19 .1660 4.22   11/32 .3438 8.73   53/64 .8281 21.03
59 .0410 1.04   18 .1695 4.31   S .3480 8.84   27/32 .8438 21.43
58 .0420 1.07   11/64 .1719 4.37   -- .3543 9.00   55/64 .8594 21.84
57 .0430 1.09   17 .1730 4.39   T .3580 9.09   -- .8661 22.00
56 .0465 1.18   16 .1770 4.50   23/64 .3594 9.13   7/8 .8750 22.23
3/64 .0469 1.19   15 .1800 4.57   U .3680 9.35   57/64 .8906 22.62
55 .0520 1.32   14 .1820 4.62   3/8 .3750 9.53   -- .9055 23.00
54 .0550 1.40   13 .1850 4.70   V .3770 9.56   29/32 .9062 23.02
53 .0595 1.51   3/16 .1875 4.76   W .3860 9.80   59/64 .9219 23.42
1/16 .0625 1.59   12 .1890 4.80   25/64 .3906 9.92   15/16 .9375 23.81
52 .0635 1.51   11 .1910 4.85   -- .3937 10.00   -- .9449 24.00
51 .0670 1.70   10 .1935 4.91   X .3970 10.08   61/64 .9531 24.21
50 .0700 1.78   9 .1960 4.98   Y .4040 10.26   31/32 .9688 24.61
49 .0730 1.85   -- .1968 5.00   13/32 .4062 10.32   -- .9842 25.00
48 .0760 1.95   8 .1990 5.05   Z .4130 10.49   63/64 .9844 25.00
5/64 .0781 1.98   7 .2010 5.11   27/64 .4219 10.72   1" 1.0000 25.40
47 .0785 1.99   13/64 .2031 5.16   -- .4331 11.00        
-- .0787 2.00   6 .2040 5.18   7/16 .4375 11.11        
46 .0810 2.06   5 .2055 5.22   29/64 .4531 11.51