AN Bolt Torque
 
AN Bolt size Size / Threads Inch lbs Foot lbs
AN3 10-32 20-25 1.6-2.0
AN4 1/4-28 50-70 4.2-5.8
AN5 5/16-24 100-140 8.3-11.6
AN6 3/8-24 160-190 13.3-15.8
AN7 7/16-20 450-500 37.5-41.7
AN8 1/2-20 480-690 40.0-57.5
AN9 9/16-18 800-1000 66.7-83.3
AN10   5/8-18 1100-1500 91.6-125.0
       
Fractional Drills

 

Fractional Drills

Fraction

Decimal "

1/64"

.0156

1/32"

.0312

3/64"

.0468

1/16"

.0625

5/64"

.0781

3/32"

.0937

7/64"

.1093

1/8"

.125

9/64"

.1406

5/32"

.1562

11/64"

.1718

3/16"

.1875

Fractional Drills
Fraction Decimal "
13/64" .2031
7/32" .2187
15/64" .2343
1/4" .25
17/64" .2656
9/32" .2812
19/64" .2968
5/16" .3125
21/64" .3281
11/32' .3437
23/64" .3593
3/8" .375
25/64" .3906
Fractional Drills
Fraction Decimal "
13/32" .4062
27/64 .4218
7/16" .4375
29/64" .4531
15/32" .4687
31/64" .4843
1/2" .5
17/32" .5312
9/16" .5625
19/32" .5937
5/8" .625
3/4" .75
7/8" .875
Number Drills
 

Number Drills

Number

Decimal "

1

.2280

2

.2210

3

.2130

4

.2090

5

.2055

6

.2040

7

.2010

8

.1990

9

.1960

10

.1935

11

.1910

12

.1890

13

.1850

14

.1820

15

.1800

16

.1770

17

.1730

18

.1695

19

.1660

20

.1610

Number Drills

Number

Decimal "

21 .1590
22

.1570

23

.1540

24

.1520

25

.1495

26

.1470

27

.1440

28

.1415

29

.1360

30

.1287

31 .1200
32 .1160
33 1130
34 .1110
35 .1100
36 .1065
37 .1040
38 .1015
39 .0995
40

.0980

Number Drills

Number

Decimal "

41

.0960

42

.0935

43

.0890

44

.0860

45

.0820

46

.0810

47

.0785

48

.0760

49

.0730

50

.0700

51

.0670

52

.0635

53

.0559

54

.0550

55

.0520

56

.0465

57

.0430

58 .0420
59 .0410

60

.0400

Letter Drills
 

Letter Drills

Letter

Decimal "

A

.2340

B

.2380

C

.2420

D

.2460

E

.2500

F

.2570

G

.2610

H

.2660

I

.2720

Letter Drills

Letter

Decimal "

J

.2770
K .2810

L

.2900

M .2950
N .3020
O .3160
P .3230
Q

.3320

R .3390

Letter Drills

Letter

Decimal "

S

.3480

T

.3580

U

.3680

V

.3770

W

.3860

X

.3970

Y .4040
Z .4130
   
Decimal Drills
 
Decimal mm Drill
.0135 0.34 80
.0145 0.37 79
.0156 0.40 1/64
.0160 0.41 78
.0180 0.46 77
.0200 0.51 76
.0210 0.53 75
.0225 0.57 74
.0240 0.61 73
.0250 0.64 72
.0260 0.66 71
.0280 0.71 70
.0292 0.74 69
.0310 0.79 68
.0313 .079 1/32
.0320 0.81 67
.0330 0.84 66
.0350 0.89 65
.0360 0.91 64
.0370 0.94 63
.0380 0.97 62
.0390 0.99 61
.0400 1.02 60
.0410 1.04 59
.0420 1.07 58
.0430 1.09 57
.0465 1.18 56
.0469 1.19 3/64
.0520 1.32 55
.0550 1.40 54
.0595 1.51 53
.0625 1.59 1/16
.0635 1.61 52
.0670 1.70 51
.0700 1.78 50
.0730 1.85 49
.0760 1.93 48
.0781 1.98 5/64
.0785 1.99 47
.0810 2.06 46
.0820 2.08 45
.0860 2.18 44
.0890 2.26 43
.0935 2.37 42
.0938 2.38 3/32
.0960 2.44 41
.0980 2.50 40
.0995 2.53 39
.1015 2.58 38
.1040 2.64 37
.1065 2.71 36
1094 2.78 7/64
.1100 2.79 35
.1110 2.82 34
Decimal mm Drill
.1130 2.87 33
.1160 2.95 32
.1200 3.05 31
.1250 3.18 1/8
.1285 3.26 30
.1360 3.45 29
.1405 3.57 28
.1406 3.57 9/64
.1440 3.66 27
.1470 3.73 26
.1495 3.80 25
.1520 3.86 24
.1540 3.91 23
.1562 3.97 5/32
.1570 3.99 22
.1590 4.04 21
.1610 4.09 20
.1660 4.22 19
.1695 4.31 18
.1719 4.37 11/64
.1730 4.39 17
.1770 4.50 16
.1800 4.57 15
.1820 4.62 14
.1850 4.70 13
.1875 4.76 3/16
.1890 4.80 12
.1910 4.85 11
.1935 4.91 10
.1960 4.98 9
.1990 5.05 8
.2010 5.11 7
.2031 5.16 13/64
.2040 5.18 6
.2055 5.22 5
.2090 5.31 4
.2130 5.41 3
.2188 5.56 7/32
.2210 5.61 2
.2280 5.79 1
.2340 5.94 A
.2344 5.95 15/64
.2380 6.05 B
.2420 6.15 C
.2460 6.25 D
.2500 6.35 1/4
.2500 6.35 E
.2570 6.53 F
.2610 6.63 G
.2656 6.75 17/64
.2660 6.76 H
.2720 6.91 I
.2770 7.04 J
.2810 7.14 K
Decimal mm Drill
.2812 7.14 9/32
.2900 7.37 L
.2950 7.49 M
.2969 7.54 19/64
.3020 7.67 N
.3125 7.94 5/16
.3160 8.03 O
.3230 8.20 P
.3281 8.33 21/64
.3320 8.43 Q
.3390 8.61 R
.3438 8.73 11/32
.3480 8.84 S
.3580 9.09 T
.3594 9.13 23/64
.3680 9.35 U
.3750 9.53 3/8
.3770 9,56 V
.3860 9.80 W
.3906 9.92 25/64
.3970 10.08 X
.4040 10.26 Y
.4062 10.32 13/32
.4130 10.49 Z
.4219 10.72 27/64
.4375 11.11 7/16
.4531 11.51 29/64
.4688 11.91 15/32
.4844 12.30 31/64
.5000 12.70 1/2
.5156 13.10 33/64
.5312 13.49 17/32
.5469 13.89 35/64
.5625 14.29 9/16
.5781 14.68 37/64
.5938 15.08 19/32
.6094 15.48 39/64
.6250 15.88 5/8
.6406 16.27 41/64
.6562 16.67 21.32
.6719 17.07 43/64
.6875 17.46 11/16
.7031 17.86 45/64
.7188 18.26 23/32
.7344 18.65 47/64
.7500 19.05 3/4
.7656 19.45 49/64
.7812 19.84 25/32
.7964 20.24 51/64
.8125 20.64 13/64
.8281 21.03 53/64
.8438 21.43 27/32
.8594 21.84 55./64
.8750 22.23 7/8
Taps & Drill Size
 

Tap Size

Drill Size

Drill in Decimal

% of Thread

0-80

#56

.0465

73

 

3/64"

.0469

71

1-64

#54

.0550

80

 

#53

.0595

59

1-72

#53

.0595

67

 

1/16"

.0625

50

2-56

#51

.0670

73

 

#50

.0700

62

2-64

#50

.0700

70

 

#49

.0730

56

3-46

#48

.0760

77

 

5/64"

.0781

70

3-56

#46

.0810

69

 

#45

.0820

65

4-40

#44

.0860

73

 

#43

.0890

65

4-48

#42

.0935

61

 

3/32"

.0938

60

Tap Size

Drill Size

Drill in Decimal

% of Thread

5-40

#40

.0980

75

 

#38

.1015

65

5-44

#38

.1015

71

 

#37

.1040

63

6-32

#37

.1040

77

 

7/64"

.1094

64

6-40

#34

.1110

74

 

#33

.1130

69

8-32

#29

.1360

62

 

#28

.1405

51

8-36

#29

.1360

70

 

9/64"

.1406

57

10-24

#27

.1440

78

 

#25

.1495

69

10-32

5/32"

1563

74

 

#21

.1590

68

12-24

11/64"

.1719

74

 

#17

.1730

73

12-28

#16

.1770

76

 

#15

.1800

70

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