|
|
|
|
|
Drill Size |
Decimal |
MM |
Note: |
80 |
.0135 |
0.34 |
|
79 |
.0145 |
0.37 |
|
1/64 |
.0156 |
0.40 |
|
78 |
.0160 |
0.41 |
|
77 |
.0180 |
0.46 |
|
76 |
.0200 |
0.51 |
|
75 |
.0210 |
0.53 |
|
74 |
.0225 |
0.57 |
|
73 |
.0240 |
0.61 |
|
72 |
.0250 |
0.64 |
|
71 |
.0260 |
0.66 |
|
70 |
.0280 |
0.71 |
|
69 |
.0292 |
0.74 |
|
68 |
.0310 |
0.79 |
|
1/32" |
.0313 |
0.79 |
|
67 |
.0320 |
0.81 |
|
66 |
.0330 |
0.84 |
|
65 |
.0350 |
0.89 |
|
64 |
.0360 |
0.91 |
|
63 |
.0370 |
0.94 |
|
62 |
.0380 |
0.97 |
|
61 |
.0390 |
0.99 |
|
60 |
.0400 |
1.02 |
|
59 |
.0410 |
1.04 |
|
58 |
.0420 |
1.07 |
|
57 |
.0430 |
1.09 |
|
56 |
.0465 |
1.18 |
|
3/64" |
.0469 |
1.19 |
|
55 |
.0520 |
1.32 |
|
54 |
.0550 |
1.40 |
|
53 |
.0595 |
1.51 |
|
1/16" |
.0625 |
1.59 |
|
52 |
.0635 |
1.61 |
R |
51 |
.0670 |
1.70 |
|
50 |
.0700 |
1.78 |
|
49 |
.0730 |
1.85 |
|
48 |
.0760 |
1.93 |
|
5/64" |
.0781 |
1.98 |
|
47 |
.0785 |
1.99 |
|
46 |
.0810 |
2.06 |
|
45 |
.0820 |
2.08 |
|
44 |
.0860 |
2.18 |
|
43 |
.0890 |
2.26 |
|
42 |
.0935 |
2.37 |
|
3/32" |
.0938 |
2.38 |
|
41 |
.0960 |
2.44 |
|
40 |
.0980 |
2.50 |
R |
39 |
.0995 |
2.53 |
|
38 |
.1015 |
2.58 |
|
37 |
.1040 |
2.64 |
|
36 |
.1065 |
2.71 |
|
7/64" |
.1094 |
2.78 |
|
35 |
.1100 |
2.79 |
|
34 |
.1110 |
2.82 |
|
Drill Size |
Decimal |
MM |
Note: |
|
|
|
|
|
Drill Size |
Decimal |
MM |
Note: |
33 |
.1130 |
2.87 |
|
32 |
.1160 |
2.95 |
|
31 |
.1200 |
3.05 |
|
1/8" |
.1250 |
3.18 |
|
30 |
.1285 |
3.26 |
R |
29 |
.1360 |
3.45 |
|
28 |
.1405 |
3.57 |
|
9/64" |
.1406 |
3.57 |
|
27 |
.1440 |
3.66 |
R |
26 |
.1470 |
3.73 |
|
25 |
.1495 |
3.80 |
|
24 |
.1520 |
3.86 |
|
23 |
.1540 |
3.91 |
|
5/32" |
.1562 |
3.97 |
|
22 |
.1570 |
3.99 |
|
21 |
.1590 |
4.04 |
|
20 |
.1610 |
4.09 |
|
19 |
.1660 |
4.22 |
R |
18 |
.1695 |
4.31 |
|
11/64" |
.1719 |
4.37 |
|
17 |
.1730 |
4.39 |
|
16 |
.1770 |
4.50 |
|
15 |
.1800 |
4.57 |
|
14 |
.1820 |
4.62 |
|
13 |
.1850 |
4.70 |
|
3/16" |
.1875 |
4.76 |
|
12 |
.1890 |
4.80 |
R |
11 |
.1910 |
4.85 |
|
10 |
.1935 |
4.19 |
|
9 |
.1960 |
4.98 |
|
8 |
.1990 |
5.05 |
|
7 |
.2010 |
5.11 |
|
13/64" |
.2031 |
5.16 |
|
6 |
.2040 |
5.18 |
|
5 |
.2055 |
5.22 |
|
4 |
.2090 |
5.31 |
|
3 |
.2130 |
5.41 |
|
7/32" |
.2188 |
5.56 |
|
2 |
.2210 |
5.16 |
|
1 |
.2280 |
5.79 |
|
A |
.2340 |
5.94 |
|
15/64 |
.2344 |
5.95 |
|
B |
.2380 |
6.05 |
|
C |
.2420 |
6.15 |
|
D |
.2460 |
6.25 |
|
1/4" |
.2500 |
6.35 |
|
E |
.2500 |
6.35 |
|
F |
.2470 |
6.53 |
|
G |
.2610 |
6.63 |
|
17/64" |
.2656 |
6.75 |
|
H |
.2660 |
6.76 |
|
I |
.2720 |
6.41 |
|
J |
.2770 |
7.04 |
|
K |
.2810 |
7.14 |
|
Drill Size |
Decimal |
MM |
Note: |
|
|
|
|
|
Drill Size |
Decimal |
MM |
Note: |
9/32" |
.2821 |
7.14 |
|
L |
.2900 |
7.37 |
|
M |
.2950 |
7.49 |
|
19/64" |
.2969 |
7.54 |
|
N |
.3020 |
7.67 |
|
5/16" |
.3125 |
7.94 |
|
O |
.3160 |
8.03 |
|
P |
.3230 |
8.20 |
|
21/64" |
.3281 |
8.33 |
|
Q |
.3320 |
8.43 |
|
R |
.3390 |
8.61 |
|
11/32" |
.3438 |
8.73 |
|
S |
.3480 |
8.84 |
|
T |
.3580 |
9.09 |
|
23/64" |
.3594 |
9.13 |
|
U |
.3680 |
9.35 |
|
3/8" |
.3750 |
9.53 |
|
V |
.3770 |
9.56 |
|
W |
.3860 |
9.80 |
|
25/64" |
.3906 |
9.92 |
|
X |
..3970 |
10.06 |
|
Y |
.4040 |
10.26 |
|
13/32" |
.4062 |
10.32 |
|
Z |
.4130 |
10.49 |
|
27/64" |
.4129 |
10.72 |
|
7/16" |
.4375 |
11.11 |
|
29/64" |
.4531 |
11.51 |
|
15/32" |
.4688 |
11.91 |
|
31/64" |
.4844 |
12,30 |
|
1/2" |
.5000 |
12.70 |
|
33/64" |
.5156 |
13.10 |
|
17/32" |
.5312 |
13.49 |
|
35/64" |
.5469 |
13.89 |
|
9/16" |
.5625 |
14.29 |
|
37/64" |
.5781 |
14.68 |
|
19/32" |
.5938 |
15.08 |
|
39/64 |
.6094 |
15.48 |
|
5/8" |
.6250 |
15.88 |
|
41/64" |
.6406 |
16.27 |
|
21/32" |
.6562 |
16.67 |
|
43/64" |
.6719 |
17.07 |
|
11/16" |
.6875 |
17.46 |
|
45/64" |
.7031 |
17.86 |
|
23/32" |
.7188 |
18.26 |
|
47/64" |
.7344 |
18.65 |
|
3/4" |
.7500 |
19.05 |
|
13/16" |
.8125 |
20.64 |
|
7/8" |
.8750 |
22.23 |
|
15/16" |
.9375 |
23.81 |
|
1" |
1.0000 |
25.40 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Drill Size |
Decimal |
MM |
Note: |
|