Drill
Size
Decimal
Drill
Size
Decimal
Drill
Size
Decimal
Drill
Size
Decimal
80
.0135
42
.0935
13/64
.2031
Y
.4040
79
.0145
3/32
.0938
6
.2040
13/32
.4062
1/64
.0156
41
.0960
5
.2055
Z
.4130
78
.0160
40
.0980
4
.2090
27/64
.4219
77
.0180
39
.0995
3
.2130
7/16
.4375
76
.0200
38
.1015
7/32
.2188
29/64
.4531
75
.0210
37
.1040
2
.2210
15/32
.4688
74
.0225
36
.1065
1
.2280
31/64
.4844
73
.0240
7/64
.1094
A
.2340
1/2
.5000
72
.0250
35
.1100
15/64
.2344
33/64
.5156
71
.0260
34
.1110
B
.2380
17/32
.5312
70
.0280
33
.1130
C
.2420
35/64
.5469
69
.0292
32
.1160
D
.2460
9/16
.5625
68
.0310
31
.1200
E
.2500
37/64
.5781
1/32
.0312
1/8
.1250
1/4
.2500
19/32
.5938
67
.0320
30
.1285
F
.2570
39/64
.6094
66
.0330
29
.1360
G
.2610
5/8
.6250
65
.0350
28
.1405
17/64
.2656
41/64
.6406
64
.0360
9/64
.1406
H
.2660
21/32
.6562
63
.0370
27
.1440
I
.2720
43/64
.6719
62
.0380
26
.1470
J
.2770
11/16
.6875
61
.0390
25
.1495
K
.2810
45/64
.7031
60
.400
24
.1520
9/32
.2812
23/32
.7188
59
.0410
23
.1540
L
.2900
47/64
.7344
58
.0420
5/32
.1562
M
.2950
3/4
.7500
57
.0430
22
.1570
19/64
.2969
49/64
.7856
56
.0465
21
.1590
N
.3020
25/32
.7812
3/64
.0469
20
.1610
5/16
.3125
51/64
.7969
55
.0520
19
.1660
O
.3160
13/16
.8125
54
.0550
18
.1695
P
.3230
53/64
.8281
53
.0595
11/64
.1719
21/64
.3281
27/32
.8438
1/16
.0625
17
.1730
Q
.3320
55/64
.8594
52
.0635
16
.1770
R
.3390
7/8
.8750
51
.0670
15
.1800
11/32
.3438
57/64
.8906
50
.0700
14
.1820
S
.3480
59/32
.9062
49
.0730
13
.1850
T
.3580
59/64
.9219
48
.0760
3/16
.1875
23/64
.3594
15/16
.9375
5/64
.0781
12
.1890
U
.3680
61/64
.9531
47
.0785
11
.1910
3/8
.3750
31/32
.9688
46
.0810
10
.1935
V
.3770
63/64
.9844
45
.0820
9
.1960
W
.3860
1
1.000
44
.0860
8
.1990
25/64
.3906
43
.0890
7
.2010
X
.3970
