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Δ
Drill Size
Imperial
Metric
#107
0.0019 in
0.0483 mm
0.05 mm
0.0020 in
0.0500 mm
#106
0.0023 in
0.0584 mm
#105
0.0027 in
0.0686 mm
#104
0.0031 in
0.0787 mm
#103
0.0035 in
0.0889 mm
#102
0.0039 in
0.0991 mm
0.1 mm
0.1000 mm
#101
0.0043 in
0.1092 mm
#100
0.0047 in
0.1194 mm
#99
0.0051 in
0.1295 mm
#98
0.0055 in
0.1397 mm
#97
0.0059 in
0.1499 mm
#96
0.0063 in
0.1600 mm
#95
0.0067 in
0.1702 mm
#94
0.0071 in
0.1803 mm
#93
0.0075 in
0.1905 mm
0.2 mm
0.0079 in
0.2000 mm
#92
0.2007 mm
#91
0.0083 in
0.2108 mm
#90
0.0087 in
0.2210 mm
#89
0.0091 in
0.2311 mm
#88
0.0095 in
0.2413 mm
#87
0.0100 in
0.2540 mm
#86
0.0105 in
0.2667 mm
#85
0.0110 in
0.2794 mm
#84
0.0115 in
0.2921 mm
0.3 mm
0.0118 in
0.3000 mm
#83
0.0120 in
0.3048 mm
#82
0.0125 in
0.3175 mm
#81
0.0130 in
0.3302 mm
#80
0.0135 in
0.3429 mm
#79
0.0145 in
0.3680 mm
1/64 in
0.0156 in
0.3969 mm
0.4 mm
0.0158 in
0.4000 mm
#78
0.0160 in
0.4064 mm
#77
0.0180 in
0.4572 mm
0.5 mm
0.0197 in
0.5000 mm
#76
0.0200 in
0.5080 mm
#75
0.0210 in
0.5334 mm
#74
0.0225 in
0.5715 mm
0.6 mm
0.0236 in
0.6000 mm
#73
0.0240 in
0.6069 mm
#72
0.0250 in
0.6350 mm
#71
0.0260 in
0.6604 mm
0.7 mm
0.0276 in
0.7000 mm
#70
0.0280 in
0.7112 mm
#69
0.0292 in
0.7417 mm
#68
0.0310 in
0.7874 mm
1/32 in
0.0313 in
0.7938 mm
0.8 mm
0.0315 in
0.8000 mm
#67
0.0320 in
0.8128 mm
#66
0.0330 in
0.8382 mm
#65
0.0350 in
0.8890 mm
0.9 mm
0.0354 in
0.9000 mm
#64
0.0360 in
0.9144 mm
#63
0.0370 in
0.9398 mm
#62
0.0380 in
0.9652 mm
#61
0.0390 in
0.9906 mm
1 mm
0.0394 in
1.0000 mm
#60
0.0400 in
1.0160 mm
#59
0.0410 in
1.0414 mm
#58
0.0420 in
1.0668 mm
#57
0.0430 in
1.0922 mm
1.1 mm
0.0433 in
1.1000 mm
#56
0.0465 in
1.1811 mm
3/64 in
0.0469 in
1.1906 mm
1.2 mm
0.0472 in
1.2000 mm
1.3 mm
0.0512 in
1.3000 mm
#55
0.0520 in
1.3208 mm
#54
0.0550 in
1.3970 mm
1.4 mm
0.0551 in
1.4000 mm
1.5 mm
0.0591 in
1.5000 mm
#53
0.0595 in
1.5113 mm
1/16 in
0.0625 in
1.5875 mm
1.6 mm
0.0630 in
1.6000 mm
#52
0.0635 in
1.6129 mm
1.7 mm
0.0669 in
1.7000 mm
#51
0.0670 in
1.7018 mm
#50
0.0700 in
1.7780 mm
1.8 mm
0.0709 in
1.8000 mm
#49
0.0730 in
1.8542 mm
1.9 mm
0.0748 in
1.9000 mm
#48
0.0760 in
1.9304 mm
5/64 in
0.0781 in
1.9844 mm
#47
0.0785 in
1.9939 mm
2 mm
0.0787 in
2.0000 mm
#46
0.0810 in
2.0574 mm
#45
0.0820 in
2.0828 mm
2.1 mm
0.0827 in
2.1000 mm
#44
0.0860 in
2.1844 mm
2.2 mm
0.0866 in
2.2000 mm
#43
0.0890 in
2.2606 mm
2.3 mm
0.0906 in
2.3000 mm
#42
0.0935 in
2.3749 mm
3/32 in
0.0938 in
2.3813 mm
2.4 mm
0.0945 in
2.4000 mm
#41
0.0960 in
2.4384 mm
#40
0.0980 in
2.4892 mm
2.5 mm
0.0984 in
2.5000 mm
#39
0.0995 in
2.5273 mm
#38
0.1015 in
2.5781 mm
2.6 mm
0.1024 in
2.6000 mm
#37
0.1040 in
2.6416 mm
2.7 mm
0.1063 in
2.7000 mm
#36
0.1065 in
2.7051 mm
7/64 in
0.1094 in
2.7781 mm
#35
0.1100 in
2.7940 mm
2.8 mm
0.1102 in
2.8000 mm
#34
0.1110 in
2.8194 mm
#33
0.1130 in
2.8702 mm
2.9 mm
0.1142 in
2.9000 mm
#32
0.1160 in
2.9464 mm
3 mm
0.1181 in
3.0000 mm
3.1 mm
0.1221 in
3.1000 mm
1/8 in
0.1250 in
3.1750 mm
3.2 mm
0.1260 in
3.2000 mm
#30
0.1285 in
3.2639 mm
3.3 mm
0.1299 in
3.3000 mm
3.4 mm
0.1339 in
3.4000 mm
#29
0.1360 in
3.4544 mm
9/64 in
0.1406 in
3.5719 mm
5/32 in
0.1563 in
3.9688 mm
11/64 in
0.1719 in
4.3656 mm
3/16 in
0.1875 in
4.7625 mm
13/64 in
0.2031 in
5.1594 mm
7/32 in
0.2188 in
5.5563 mm
15/64 in
0.2344 in
5.9531 mm
1/4 in
0.2500 in
6.3500 mm
17/64 in
0.2656 in
6.7469 mm
9/32 in
0.2813 in
7.1438 mm
19/64 in
0.2969 in
7.5406 mm
5/16 in
0.3125 in
7.9375 mm
21/64 in
0.3281 in
8.3344 mm
11/32 in
0.3438 in
8.7313 mm
23/64 in
0.3594 in
9.1281 mm
3/8 in
0.3750 in
9.5250 mm
25/64 in
0.3906 in
9.9219 mm
13/32 in
0.4063 in
10.3188 mm
27/64 in
0.4219 in
10.7156 mm
7/16 in
0.4375 in
11.1125 mm
29/64 in
0.4531 in
11.5094 mm
15/32 in
0.4688 in
11.9063 mm
31/64 in
0.4844 in
12.3031 mm
1/2 in
0.5 in
12.700 mm
33/64 in
0.5156 in
13.0969 mm
17/32 in
0.5313 in
13.4938 mm
35/64 in
0.5469 in
13.8906 mm
9/16 in
0.5625 in
14.2875 mm
37/64 in
0.5781 in
14.6844 mm
19/32 in
0.5938 in
15.0813 mm
39/64 in
0.6094 in
15.4781 mm
5/8 in
0.6250 in
15.8750 mm
41/64 in
0.6406 in
16.2719 mm
43/64 in
0.6719 in
17.0656 mm
11/16 in
0.6875 in
17.4625 mm
45/64 in
0.7031 in
17.8594 mm
23/32 in
0.7188 in
18.2563 mm
47/64 in
0.7344 in
18.6531 mm
3/4 in
0.7500 in
19.0500 mm
49/64 in
0.7656 in
19.4469 mm
25/32 in
0.7813 in
19.8438 mm
51/64 in
0.7969 in
20.2406 mm
13/16 in
0.8125 in
20.6375 mm
53/64 in
0.8281 in
21.0344 mm
27/32 in
0.8438 in
21.4313 mm
55/64 in
0.8594 in
21.8281 mm
7/8 in
0.8750 in
22.2250 mm
57/64 in
0.8906 in
22.6219 mm
29/32 in
0.9063 in
23.0188 mm
21/23 in
0.9130 in
23.1913 mm
59/64 in
0.9219 in
23.4156 mm
15/16 in
0.9375 in
23.8125 mm
61/64 in
0.9531 in
24.2094 mm
31/32 in
0.9688 in
24.6063 mm
63/64 in
0.9844 in
25.0031 mm
1 in
1.0000 in
25.4000 mm
1 1/64 in
1.0156 in
25.7969 mm
1 1/32 in
1.0313 in
26.1938 mm
1 3/64 in
1.0469 in
26.5906 mm
1 1/16 in
1.0625 in
26.9875 mm
1 5/64 in
1.0781 in
27.3844 mm
1 3/32 in
1.0938 in
27.7813 mm
1 7/64 in
1.1094 in
28.1781 mm
1 1/8 in
1.1250 in
28.5750 mm
1 9/64 in
1.1406 in
28.9719 mm
1 5/32 in
1.1563 in
29.3688 mm
1 11/64 in
1.1719 in
29.7656 mm
1 3/16 in
1.1875 in
30.1625 mm
1 13/64 in
1.2031 in
30.5594 mm
1 7/32 in
1.2188 in
30.9563 mm
1 15/64 in
1.2344 in
31.3531 mm
1 1/4 in
1.2500 in
31.7500 mm
1 17/64 in
1.2656 in
32.1469 mm
1 9/32 in
1.2813 in
32.5438 mm
1 19/64 in
1.2969 in
32.9406 mm
1 5/16 in
1.3125 in
33.3375 mm
1 21/64 in
1.3281 in
33.7344 mm
1 11/32 in
1.3438 in
34.1313 mm
1 23/64 in
1.3594 in
34.5281 mm
1 3/8 in
1.3750 in
34.9250 mm
1 25/64 in
1.3906 in
35.3219 mm
1 13/32 in
1.4063 in
35.7188 mm
1 27/64 in
1.4219 in
36.1156 mm
1 7/16 in
1.4375 in
36.5125 mm
1 29/64 in
1.4531 in
36.9094 mm
1 15/32 in
1.4688 in
37.3063 mm
1 31/64 in
1.4844 in
37.7031 mm
1 1/2 in
1.5000 in
38.1000 mm