Email Facebook Twitter Google LinkedIn Whatsapp Share
Email Pinterest Buffer Digg Reddit Mix Tumblr VK Yummly Whatsapp

Drill Size Chart

Drill Size Decimal Equivalent

Drill Size MM Decimal Equivalent
- 0.10 0.0039
- 0.20 0.0079
- 0.25 0.0098
- 0.30 0.0118
80 0.34 0.0135
79 0.37 0.0145
1/64 0.40 0.0156
78 0.41 0.0160
77 0.46 0.0180
- 0.50 0.0197
76 0.51 0.0200
75 0.53 0.0210
74 0.57 0.0225
- 0.60 0.0236
73 0.61 0.0240
72 0.64 0.0250
71 0.66 0.0260
- 0.70 0.0276
70 0.71 0.0280
69 0.74 0.0292
- 0.75 0.0295
68 0.79 0.0310
1/32 0.79 0.0313
- 0.80 0.0315
67 0.81 0.0320
66 0.84 0.0330
65 0.89 0.0350
- 0.90 0.0354
64 0.91 0.0360
63 0.94 0.0370
62 0.97 0.0380
61 0.99 0.0390
- 1.00 0.0394
60 1.02 0.0400
59 1.04 0.0410
58 1.07 0.0420
57 1.09 0.0430
56 1.18 0.0456
3/64 1.19 0.0469
55 1.32 0.0520
54 1.40 0.0550
53 1.51 0.0595
1/16 1.59 0.0625
52 1.61 0.0635
51 1.70 0.0670
50 1.78 0.0700
49 1.85 0.0730
48 1.9 0.0760
5/64 1.98 0.0781
47 1.99 0.0785
- 2.00 0.0787
46 2.06 0.0810
45 2.08 0.0820
44 2.18 0.0860
43 2.26 0.0890
42 2.37 0.0935
3/32 2.38 0.0938
41 2.44 0.0960
40 2.50 0.0980
39 2.53 0.0995
38 2.58 0.1015
37 2.64 0.1040
36 2.71 0.1065
7/64 2.78 0.1094
35 2.79 0.1100
34 2.82 0.1110
33 2.87 0.1130
32 2.95 0.1160
- 3.00 0.1181
31 3.05 0.1200
1/8 3.18 0.1250
30 3.26 0.1285
29 3.45 0.1360
28 3.57 0.1405
9/64 3.57 0.1406
27 3.66 0.1440
26 3.73 0.1470
25 3.80 0.1495
24 3.86 0.1520
23 3.91 0.1540
5/32 3.97 0.1562
22 3.99 0.1570
- 4.00 0.1575
21 4.04 0.1590
20 4.09 0.1610
19 4.22 0.1660
18 4.31 0.1695
11/64 4.37 0.1719
17 4.39 0.1730
16 4.50 0.1770
15 4.57 0.1800
14 4.62 0.1820
13 4.70 0.1850
3/16 4.76 0.1875
12 4.80 0.1890
11 4.85 0.1910
10 4.91 0.1935
9 4.98 0.1960
- 5.00 0.1968
8 5.05 0.1990
7 5.11 0.2010
13/64 5.16 0.2031
6 5.18 0.2040
5 5.22 0.2055
4 5.31 0.2090
3 5.41 0.2130
7/32 5.56 0.2188
2 5.61 0.2210
1 5.79 0.2280
A 5.94 0.2340
15/64 5.95 0.2344
- 6.00 0.2362
B 6.05 0.2380
C 6.15 0.2420
O 6.25 0.2460
1/4 6.35 0.2500
E 6.35 0.500
F 6.53 0.2570
G 6.63 0.2610
17/64 6.75 6
H 6.76 0
I 6.91 0.2720
- 7.00 0.2756
J 7.04 0.2770
K 7.14 0.2810
9/32 7.14 0.2812
L 7.37 0.2900
M 7.49 0.2950
19/64 7.54 0.2969
N 7.67 0.3020
5/16 7.94 0.3125
- 8.00 0.3150
O 8.03 0.3160
P 8.20 0.3230
21/64 8.33 0.3281
Q 8.43 0.3320
R 8.61 0.3390
11/32 8.73 0.3438
S 8.84 0.3543
- 9.00 0.3580
T 9.09 0.3580
23/64 9.13 0.3594
U 9.35 0.3680
3/8 9.53 0.3750
V 9.56 0.3770
W 9.80 0.3860
25/64 9.92 0.3906
- 10.00 0.3937
X 10.08 0.3970
Y 10.26 0.4040
13/32 10.32 0.4062
Z 10.49 0.4130
27/64 10.72 0.4219
- 11.00 0.4331
7/16 11.11 0.4375
29/64 11.51 0.4531
15/32 11.91 0.4688
- 12.00 0.4724
31/64 12.30 0.4844
1/2 12.70 0.5000
- 13.00 0.5118
33/64 13.10 0.5156
17/32 13.49 0.5312
35/64 13.89 0.5469
- 14.00 0.5512
9/16 14.29 0.5625
37/64 14.68 0.5781
- 15.00 0.5906
19/32 15.08 0.5938
39/64 15.48 0.6094
5/8 15.88 0.6250
- 16.00 0.6299
41/64 16.27 0.6406
21/32 16.67 0.6562
- 17.00 0.6693
43/64 17.07 0.6719
11/16 17.46 0.6875
45/64 17.86 0.7031
- 18.00 0.7087
23/32 18.26 0.7188
47/64 18.65 0.7344
- 19.00 0.7480
3/4 19.05 0.7500
49/64 19.45 0.7656
25/32 19.84 0.7812
- 20.00 0.7874
51/64 20.24 0.7969
13/16 20.64 0.8125
- 21.00 0.8268
53/64 21.03 0.8281
27/32 21.43 0.8438
55/64 21.84 0.8594
- 22.00 0.8661
7/8 22.23 0.8750
57/64 22.62 0.8906
- 23.00 0.9055
29/32 23.02 0.9062
59/64 23.42 0.9219
15/16 23.81 0.9375
- 24.00 0.9449
61/64 24.21 0.9531
31/32 24.61 0.9688
- 25.00 0.9842
63/64 25.00 0.9844
1 25.40 1.0000

Note : This technical information is supplied as a courtesy by BoltPort. We do not undertake any responsibility for the accuracy of the data and its application on field. This is strictly for reference.