A | B | |
---|---|---|
1
|
Drill Size | Decimal |
2
|
1/64" | 0.0156 |
3
|
0.5mm | 0.0197 |
4
|
1/32" | 0.0312 |
5
|
1mm | 0.0394 |
6
|
60 | 0.0400 |
7
|
59 | 0.0410 |
8
|
58 | 0.0420 |
9
|
57 | 0.0430 |
10
|
56 | 0.0465 |
11
|
3/64" | 0.0469 |
12
|
55 | 0.0520 |
13
|
54 | 0.0550 |
14
|
1.5mm | 0.0591 |
15
|
53 | 0.0595 |
16
|
1/16" | 0.0625 |
17
|
52 | 0.0635 |
18
|
51 | 0.0670 |
19
|
50 | 0.0700 |
20
|
49 | 0.0730 |
21
|
48 | 0.0760 |
22
|
5/64" | 0.0781 |
23
|
47 | 0.0785 |
24
|
2mm | 0.0787 |
25
|
46 | 0.0810 |
26
|
45 | 0.0820 |
27
|
44 | 0.0860 |
28
|
43 | 0.0890 |
29
|
42 | 0.0935 |
30
|
3/32" | 0.0938 |
31
|
41 | 0.0960 |
32
|
40 | 0.0980 |
33
|
2.5mm | 0.0984 |
34
|
39 | 0.0995 |
35
|
38 | 0.1015 |
36
|
37 | 0.1040 |
37
|
36 | 0.1065 |
38
|
7/64" | 0.1094 |
39
|
35 | 0.1100 |
40
|
34 | 0.1110 |
41
|
33 | 0.1130 |
42
|
32 | 0.1160 |
43
|
3mm | 0.1181 |
44
|
31 | 0.1200 |
45
|
1/8" | 0.1250 |
46
|
30 | 0.1285 |
47
|
29 | 0.1360 |
48
|
3.5mm | 0.1378 |
49
|
28 | 0.1405 |
50
|
9/64" | 0.1406 |
51
|
27 | 0.1440 |
52
|
26 | 0.1470 |
53
|
25 | 0.1495 |
54
|
24 | 0.1520 |
55
|
23 | 0.1540 |
56
|
5/32" | 0.1562 |
57
|
22 | 0.1570 |
58
|
4mm | 0.1575 |
59
|
21 | 0.1590 |
60
|
20 | 0.1610 |
61
|
19 | 0.1660 |
62
|
18 | 0.1695 |
63
|
11/64" | 0.1719 |
64
|
17 | 0.1730 |
65
|
16 | 0.1770 |
66
|
4.5mm | 0.1772 |
67
|
15 | 0.1800 |
68
|
14 | 0.1820 |
69
|
13 | 0.1850 |
70
|
3/16" | 0.1875 |
71
|
12 | 0.1890 |
72
|
11 | 0.1910 |
73
|
10 | 0.1935 |
74
|
9 | 0.1960 |
75
|
5mm | 0.1969 |
76
|
8 | 0.1990 |
77
|
7 | 0.2010 |
78
|
13/64" | 0.2031 |
79
|
6 | 0.2040 |
80
|
5 | 0.2055 |
81
|
4 | 0.2090 |
82
|
3 | 0.2130 |
83
|
5.5mm | 0.2165 |
84
|
7/32" | 0.2188 |
85
|
2 | 0.2210 |
86
|
1 | 0.2280 |
87
|
A | 0.2340 |
88
|
15/64" | 0.2344 |
89
|
6mm | 0.2362 |
90
|
B | 0.2380 |
91
|
C | 0.2420 |
92
|
D | 0.2460 |
93
|
1/4" & E | 0.2500 |
94
|
6.5mm | 0.2559 |
95
|
F | 0.2570 |
96
|
G | 0.2610 |
97
|
17/64" | 0.2656 |
98
|
H | 0.2260 |
99
|
I | 0.2720 |
100
|
7mm | 0.2756 |
101
|
J | 0.2770 |
102
|
K | 0.2810 |
103
|
9/32" | 0.2812 |
104
|
L | 0.2900 |
105
|
M | 0.2950 |
106
|
7.5mm | 0.2953 |
107
|
19/64" | 0.2969 |
108
|
N | 0.3020 |
109
|
5/16" | 0.3125 |
110
|
8mm | 0.3150 |
111
|
O | 0.3160 |
112
|
P | 0.3230 |
113
|
21/64" | 0.3281 |
114
|
Q | 0.3320 |
115
|
8.5mm | 0.3346 |
116
|
R | 0.3390 |
117
|
11/32" | 0.3438 |
118
|
S | 0.3480 |
119
|
9mm | 0.3543 |
120
|
T | 0.3580 |
121
|
23/64" | 0.3594 |
122
|
U | 0.3680 |
123
|
9.5mm | 0.3740 |
124
|
3/8" | 0.3750 |
125
|
V | 0.3770 |
126
|
W | 0.3860 |
127
|
25/64" | 0.3906 |
128
|
10mm | 0.3937 |
129
|
X | 0.3970 |
130
|
Y | 0.4040 |
131
|
13/32" | 0.4062 |
132
|
Z | 0.4130 |
133
|
10.5mm | 0.4134 |
134
|
27/64" | 0.4219 |
135
|
11mm | 0.4331 |
136
|
7/16" | 0.4375 |
137
|
11.5mm | 0.4528 |
138
|
29/64" | 0.4531 |
139
|
15/32" | 0.4688 |
140
|
12mm | 0.4724 |
141
|
31/64" | 0.4844 |
142
|
12.5mm | 0.4921 |
143
|
1/2" | 0.5000 |
144
|
13mm | 0.5118 |
145
|
33/64" | 0.5156 |
146
|
17/32" | 0.5313 |
147
|
13.5mm | 0.5315 |
148
|
35/64" | 0.5469 |
149
|
14mm | 0.5512 |
150
|
9/16" | 0.5625 |
151
|
14.5mm | 0.5709 |
152
|
37/64" | 0.5781 |
153
|
15mm | 0.5906 |
154
|
19/32" | 0.5938 |
155
|
39/64" | 0.6094 |
156
|
15.5mm | 0.6102 |
157
|
5/8" | 0.6250 |
158
|
16mm | 0.6299 |
159
|
41/64" | 0.6406 |
160
|
16.5mm | 0.6496 |
161
|
21/32" | 0.6562 |
162
|
17mm | 0.6693 |
163
|
43/64" | 0.6719 |
164
|
11/16" | 0.6875 |
165
|
17.5mm | 0.6890 |
166
|
45/64" | 0.7031 |
167
|
18mm | 0.7087 |
168
|
23/32" | 0.7188 |
169
|
18.5mm | 0.7283 |
170
|
47/64" | 0.7344 |
171
|
19mm | 0.7480 |
172
|
3/4" | 0.7500 |
173
|
49/64" | 0.7656 |
174
|
19.5mm | 0.7677 |
175
|
25/32" | 0.7812 |
176
|
20mm | 0.7874 |
177
|
51/64" | 0.7969 |
178
|
20.5mm | 0.8071 |
179
|
13/16" | 0.8125 |
180
|
21mm | 0.8268 |
181
|
53/64" | 0.8281 |
182
|
27/32" | 0.8438 |
183
|
21.5mm | 0.8465 |
184
|
55/64" | 0.8594 |
185
|
22mm | 0.8661 |
186
|
7/8" | 0.8750 |
187
|
22.5mm | 0.8858 |
188
|
57/64" | 0.8906 |
189
|
23mm | 0.9055 |
190
|
29/32" | 0.9062 |
191
|
59/64" | 0.9219 |
192
|
23.5mm | 0.9252 |
193
|
15/16" | 0.9375 |
194
|
24mm | 0.9449 |
195
|
61/64" | 0.9531 |
196
|
24.5mm | 0.9646 |
197
|
31/32" | 0.9688 |
198
|
25mm | 0.9843 |
199
|
63/64" | 0.9844 |
200
|
1" | 1.0000 |