Piper Navajo PA-31 Service Manual page 75

1/2
31/64
15/32
29/64
7/16
27/64
Z
13/32
Y
X
25 /64
W
V
3,8
U
K 0281
J 0 277
0 272
H 0 266
17 64 02656
PIPER NAVAJO SERVICE MANUAL
TABLE II-VI. DECIMAL/MILLIMETER EQUIVALENTS OF DRILL SIZES
Decimal/ Millimeter Equivalents of Drill Sizes From 1/2" to No 80
Size
Decimal Millimeter
Equiv Equiv
Size Decimal Millimeter
Equiv Equiv
Size
Decimal
Millimeter
Equiv Equiv
Size Decimal Millimeter
Equiv
Equiv
0.500
0 4843
0 4687
0.4531
0.4375
0.4218
0413
0 4062
0404
0 397
0 3906
0 386
0 377
0 375
0 368
12.7000
12 3031
11 9062
11.5094
11 1125
107156
104902
103187
10 2616
10 0838
9 9212
9 8044
9 5758
9 5250
9.3472
G 0.261
F 0.257
E-1 '4 0.250
D 0246
C 0242
6 6294
6 5278
6.3500
6 2484
6 1468
6 0452
5 9531
5 9436
5 7912
5 6134
B
15/64
A
1
2
7 32
3
4
5
6
0 238
0 2343
0 234
0 228
0 221
0.2187
0213
0 209
0 2055
0 204
5,32 01562
23 0.154
24 0152
25 0.1495
26 0147
27 0.144
9 64 0 1406
28 01405
29 0136
30 01285
1 8 0125
31 0120
32 0116
33 0113
34 0.111
3.9687
39116
3 8608
3.7973
3.7338
3 6576
35719
3 5687
3 4544
3 2639
31750
3 048
2 9464
2 8702
2 8194
55 0052
3,64 0 0468
56 00465
57 0043
58 0042
59 0041
60
0 040
61 0039
62 0038
63 0037
51
52
1/16
53
54
0067
00635
0 0625
0.0595
0.055
1.7018
1.6129
1.5875
1 5113
1 397
1 3208
1 1906
1 1811
1 0922
1 0668
1.0414
1 016
0 9906
0 9652
0 9398
5 5562
54102
5 3086
5 2197
5 1816
23,64
T
S
11 32
R
0 3593
0 358
0 346
0 3437
0 339
9 1262
9 1281
8 7884
8 7300
8 6106
13 '64
7
8
9
10
0 2031
0 201
0 199
0196
0 1935
5.1594
5 1054
5 0546
4 9784
4 9149
35 0110
7 64 01093
36 0 1065
37 0104
38 01015
2 794
2.7781
2.7051
2 6416
2 5781
64 0 036
65 0035
66 0033
1 32 00312
67 0032
0 9144
0 899
0 8382
0 7937
08128
Q 0332
21 64 03281
P 0 323
0 0316
5 16 03125
8 4328
8 3337
8 2042
8 0264
7 9375
11 0191
12 0189
3 16 01875
13 0185
14 0182
48514
4 8006
47625
4 699
4 6228
39 0 0995
40 0 098
41 0096
3 32 0 0937
42 0 0935
2 5273
2 4892
2 4384
2 3812
2 3749
68 0031
69 0029
70 0028
71 0026
72 0025
0 7874
0 7366
07112
0 6604
0 635
N 0302
19 64 0 2968
M 0295
L 0.290
9 32 02812
7 6708
7 5387
7 4930
7 3660
7 1425
15 0 180
16 0177
17 0173
11 /64 01718
18 01695
4 572
44958
4 3942
4 3656
4 3053
43 0 089
44 0 086
45 0 082
46 0081
47 00785
2 2606
2 1844
2 0828
2 0574
1 9939
73 0 024
74 00229
75 0021
76 0 020
77 0018
0 6096
058166
05334
0 508
0 4572
7 1374
7 0358
6 9088
6 7564
6 7462
19 0166
20 0161
21
0 159
22 0157
4 2164
4 0894
4 0386
3 9878
5 64 0 0781
48 0 076
49 0073
50 0 070
1 9844
1 9304
1 8542
1 778
1 64 00156
78 0016
79 00145
80 00135
0 3969
0 4064
0 3683
0 3429
DRILL SIZES AVAILABLE
Drill may be obtained in regular sizes to a 4 inch diameter
and increase in 64ths of an inch
The regular metric drills vary from 2 to 76mm and increase in 0 5mm variations
Added: 9/23/80D3
1D3
HANDLING AND SERVICING