Pontiac tempest 1968 Service Manual page 10

G E N E R A L I N F O R M A T I O N
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.