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Industry References » Data Tables

Standard Drill Sizes
All Standard Drill Size Bushings Are indicated in Green

Drill 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″

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