Pontiac firebird 1968 - Page 10

GENERAL INFORMATION
0-7
DRILL SIZES
Letter
Sizes
Drill
Wire
Drill Wire
Drill
Wire
Drill
Letter
Sizes
Diameter Gage
Diameter Gage
Diameter
Gage
Diameter
Letter
Sizes
Inches
Sizes
Inches Sizes Inches Sizes Inches
Z
0.413
1
0.2280
28
0.1405
55 0.0520
Y
0.404
2 0.2210
29 0.1360
56
0.0465
X
0.397
3
0.2130
30
0.1285
57 0.0430
w
0.386
4
0.2090
31 0.1200
58
0.0420
V
0.377
5
0.2055
32
0.1160
59 0.0410
U
0.368
6
0.2040
33
0.1130
60 0.0400
T
0.358
7
0.2010
34
0.1110
61
0.0390
S
0.348
8 0.1990
35 0.1100
62 0.0380
R
0.339
9 0.1960
36
0.1065
63 0.0370
Q
0.332
10
0.1935
37 0.1040
64
0.0360
P
0.323
11
0.1910
38
0.1015
65 0.0350
o
0.316
12
0.1890
39
0.0995
66 0.0330
N
0.302 13 0.1850
40
0.0980
67 0.0320
M
0.295
14
0.1820
41
0.0960
68
0.0310
L
0.290
15
0.1800
42
0.0935
69
0.0292
K
0.281
16 0.1770
43
0.0890
70
0.0280
J
0.277
17 0.1730
44
0.0860
71
0.0260
I
0.272
18
0.1695
45
0.0820
72 0.0250
H
0.266
19 0.1660
46 0.0810
73 0.0240
G
0.261
20
0.1610
47
0.0785
74 0.0225
F
0.257
21 0.1590
48 0.0760
75 0.0210
E
0.250
22 0.1570
49 0.0730
76 0.0200
D
0.246
23
0.1540
50
0.0700
77 0.0180
C
0.242
24
0.1520
51 0.0670
78
0.0160
B
0.238
25
0.1495
52 0.0635
79
0.0145
A
0.234
26
27
0.1470
0.1440
53
54
0.0595
0.0550
80
0.0135
DECIMAL EQUIVALENTS
1/64 . . .
.015625
17/64 . .
. . .265625
33/64 . . .
. .515625
49/64 . . .
.765625
1/32 . . .
.03125
9/32 . .
. . .28125
17/32 . . .
. .53125
25/32 . . . . .78125
3/64 . . .
.046875
19/64 . .
. . .296875
35/64 . . .
. .546875 51/64 . . . .796875
1/16 . . .
.0625
5/16 . .
. . .3125
9/16 . . .
. .5625
13/16 . . . .8125
5/64 . . .
. .078125
21/64 . .
. . .328125
37/64 . . .
.578125 53/64 . . . .828125
3/32 . . .
.09375
11/32 . .
. . .34375
19/32 . . . .59375
27/32 . . . . .84375
7/64 . . .
. .109375
23/64 . .
. . .359375
39/64 . . . .609375
55/64 . . . .859375
1/8 ...
. .125
3/8 . .
. . .375
5/8 ...
Q
625 7/8 . . . . .875
9/64 . . .
.140625
25/64 . .
. . .390625
41/64 . . . . .640625
57/64 . . . .890625
5/32 . . .
.15625
13/32 . .
. . .40625
21/32 . . . .65625
29/32 . . . .90625
11/64 , . .
.171875
27/64 . .
. . .421875
43/64 . . .
.671875
59/64 . . . .921875
3/16 . . .
. .1875
7/16 . .
. . .4375
11/16 . . .
.6875
15/16 . . .
. .9375
13/64 . . .
.203125
29/64 . .
. . .453125
45/64 . . .
. .703125 61/64 . . . .953125
7/32 . . .
. .21875
15/32 . .
. . .46875
23/32 . . .
.71875
31/32 . . . .96875
15/64 . . .
.234375
31/64 . .
. . .484375
47/64 . . .
.734375
63/64 . . . .984375
1/4 ...
. .25
1/2 . .
. . .5
3/4 ...
. .75 1 . . . . 1.