Drill Size |
|
Decimal Equiv. |
80 |
= |
.0135 |
79 |
= |
.0145 |
1/64 |
= |
.0156 |
78 |
= |
.016 |
77 |
= |
.018 |
76 |
= |
.020 |
75 |
= |
.021 |
74 |
= |
.0225 |
73 |
= |
.024 |
72 |
= |
.025 |
71 |
= |
.026 |
70 |
= |
.028 |
69 |
= |
.0292 |
68 |
= |
.031 |
1/32 |
= |
.0313 |
67 |
= |
.032 |
66 |
= |
.033 |
65 |
= |
.035 |
64 |
= |
.036 |
63 |
= |
.037 |
62 |
= |
.038 |
61 |
= |
.039 |
60 |
= |
.040 |
59 |
= |
.041 |
58 |
= |
.042 |
57 |
= |
.043 |
56 |
= |
.0465 |
3/64 |
= |
.0469 |
55 |
= |
.052 |
54 |
= |
.055 |
53 |
= |
.0595 |
1/16 |
= |
.0625 |
52 |
= |
.0635 |
51 |
= |
.067 |
50 |
= |
.070 |
49 |
= |
.073 |
48 |
= |
.076 |
5/64 |
= |
.0781 |
47 |
= |
.0785 |
46 |
= |
.081 |
45 |
= |
.082 |
44 |
= |
.086 |
|
Drill Size |
|
Decimal Equiv. |
43 |
= |
.089 |
42 |
= |
.0935 |
3/32 |
= |
.0938 |
41 |
= |
.096 |
40 |
= |
.098 |
39 |
= |
.0995 |
38 |
= |
.1015 |
37 |
= |
.104 |
36 |
= |
.1065 |
7/64 |
= |
.1094 |
35 |
= |
.110 |
34 |
= |
.111 |
33 |
= |
.113 |
32 |
= |
.116 |
31 |
= |
.120 |
1/8 |
= |
.125 |
30 |
= |
.1285 |
29 |
= |
.136 |
28 |
= |
.1405 |
9/64 |
= |
.1406 |
27 |
= |
.144 |
26 |
= |
.147 |
25 |
= |
.1495 |
24 |
= |
.152 |
23 |
= |
.154 |
5/32 |
= |
.1563 |
22 |
= |
.157 |
21 |
= |
.159 |
20 |
= |
.161 |
19 |
= |
.166 |
18 |
= |
.1695 |
11/64 |
= |
.1719 |
17 |
= |
.173 |
16 |
= |
.177 |
15 |
= |
.180 |
14 |
= |
.182 |
13 |
= |
.185 |
3/16 |
= |
.1875 |
12 |
= |
.189 |
11 |
= |
.191 |
10 |
= |
.1935 |
9 |
= |
.196 |
|
Drill Size |
|
Decimal Equiv. |
8 |
= |
.199 |
7 |
= |
.201 |
13/64 |
= |
.2031 |
6 |
= |
.204 |
5 |
= |
.2055 |
4 |
= |
.209 |
3 |
= |
.213 |
7/32 |
= |
.2188 |
2 |
= |
.221 |
1 |
= |
.228 |
A |
= |
.234 |
15/64 |
= |
.2344 |
B |
= |
.238 |
C |
= |
.242 |
D |
= |
.246 |
1/4 (E) |
= |
.250 |
F |
= |
.257 |
G |
= |
.261 |
17/64 |
= |
.2656 |
H |
= |
.266 |
I |
= |
.272 |
J |
= |
.277 |
K |
= |
.281 |
9/32 |
= |
.2813 |
L |
= |
.290 |
M |
= |
.295 |
19/64 |
= |
.2969 |
N |
= |
.302 |
5/16 |
= |
.3125 |
O |
= |
.316 |
P |
= |
.323 |
21/64 |
= |
.3281 |
Q |
= |
.332 |
R |
= |
.339 |
11/32 |
= |
.3438 |
S |
= |
.348 |
T |
= |
.358 |
23/64 |
= |
.3594 |
U |
= |
.368 |
3/8 |
= |
.375 |
V |
= |
.377 |
W |
= |
.386 |
|
Drill Size |
|
Decimal Equiv. |
25/64 |
= |
.3906 |
X |
= |
.397 |
Y |
= |
.404 |
13/32 |
= |
.4063 |
Z |
= |
.413 |
27/64 |
= |
.4219 |
7/16 |
= |
.4375 |
29/64 |
= |
.4531 |
15/32 |
= |
.4688 |
31/64 |
= |
.4844 |
1/2 |
= |
.500 |
33/64 |
= |
.5156 |
17/32 |
= |
.5313 |
35/64 |
= |
.5469 |
9/16 |
= |
.5625 |
37/64 |
= |
.5781 |
19/32 |
= |
.5938 |
39/64 |
= |
.6094 |
5/8 |
= |
.625 |
41/64 |
= |
.6406 |
21/32 |
= |
.6563 |
43/64 |
= |
.6719 |
11/16 |
= |
.6875 |
45/64 |
= |
.7031 |
23/32 |
= |
.7188 |
47/64 |
= |
.7344 |
3/4 |
= |
.750 |
49/64 |
= |
.7656 |
25/32 |
= |
.7813 |
51/64 |
= |
.7969 |
13/16 |
= |
.8125 |
53/64 |
= |
.8281 |
27/32 |
= |
.8438 |
55/64 |
= |
.8594 |
7/8 |
= |
.875 |
57/64 |
= |
.8906 |
29/32 |
= |
.9063 |
59/64 |
= |
.9219 |
15/16 |
= |
.9375 |
61/64 |
= |
.9531 |
31/32 |
= |
.9688 |
63/64 |
= |
.9844 |
|