Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

80

.0135"

70

.0280"

60

.0400"

51

.0670"

3/32

.0938"

79

.0145"

69

.0292"

59

.0410"

50

.0700"

41

.0960"

1/64

.0156"

68

.0310"

58

.0420"

49

.0730"

40

.0980"

78

.0160"

1/32

.0313"

57

.0430"

48

.0760"

39

.0995"

77

.0180"

67

.0320"

56

.0465"

5/64

.0781"

38

.1015"

76

.0200"

66

.0330"

3/64

.0469"

47

.0785"

37

.1040"

75

.0210"

65

.0350"

55

.0520"

46

.0810"

36

.1065"

74

.0225"

64

.0360"

54

.0550"

45

.0820"

7/64

.1094"

73

.0240"

63

.0370"

53

.0595"

44

.0860"

35

.1100"

72

.0250"

62

.0380"

1/16

.0625"

43

.0890"

34

.1110"

71

.0260"

61

.0390"

52

.0635"

42

.0935"

33

.1130"

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

32

.1160"

23

.1540"

14

.1820"

5

.2055"

E

.2500"

31

.1200"

5/32

.1562"

13

.1850"

4

.2090"

1/4

.2500"

1/8

.1250"

22

.1570"

3/16

.1875"

3

.2130"

F

.2570"

30

.1285"

21

.1590"

12

.1890"

7/32

.2188"

G

.2610"

29

.1360"

20

.1610"

11

.1910"

2

.2210"

17/64

.2656"

28

.1405"

19

.1660"

10

.1935"

1

.2280"

H

.2660"

9/64

.1406"

18

.1695"

9

.1960"

A

.2340"

I

.2720"

27

.1440"

11/64

.1719"

8

.1990"

15/64

.2344"

J

.2770"

26

.1470"

17

.1730"

7

.2010"

B

.2380"

K

.2810"

25

.1495"

16

.1770"

13/64

.2031"

C

.2420"

9/32

.2812"

24

.1520"

15

.1800"

6

.2040"

D

.2460"

L

.2900"

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

Drill

Decimal

M

.2950"

23/64

.3594"

29/64

.4531"

41/64

.6406"

53/64

.8281"

19/64

.2969"

U

.3680"

15/32

.4688"

21/32

.6562"

27/32

.8438"

N

.3020"

3/8

.3750"

31/64

.4844"

43/64

.6719"

55/64

.8594"

5/16

.3125"

V

.3770"

1/2

.5000"

11/16

.6875"

7/8

.8750"

O

.3160"

W

.3860"

33/64

.5156"

45/64

.7031"

57/64

.8906"

P

.3230"

25/64

.3906"

17/32

.5313"

23/32

.7188"

29/32

.9062"

21/64

.3281"

X

.3970"

35/64

.5469"

47/64

.7344"

59/64

.9219"

Q

.3320"

Y

.4040"

9/16

.5625"

3/4

.7500"

15/16

.9375"

R

.3390"

13/32

.4062"

37/64

.5781"

49/64

.7656"

61/64

.9531"

11/32

.3438"

Z

.4130

19/32

.5938"

25/32

.7812"

31/32

.9688"

S

.3480"

27/64

.4219"

39/64

.6094"

51/64

.7969"

63/64

.9844"

T

.3580"

7/16

.4375"

5/8

.6250"

13/16

.8125"

1

1.000"