© 2006

Drill size chart for drill sizes #38 - 80 and ( 3/32" - 1/128" )

 

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Decimal

Number

Fractional

Millimeter

 

Decimal

Number

Fractional

Millimeter

0.0078

 

1/128

0.1981

 

0.042

58

 

1.0668

0.0135

80

 

0.3429

 

0.044

57

 

1.0922

0.0145

79

 

0.3683

 

0.0465

56

 

1.1582

0.0156

 

1/64

0.3962

 

0.0469

 

3/64

1.1913

0.016

78

 

0.4064

 

0.052

55

 

1.3208

0.018

77

 

0.4572

 

0.0547

 

7/128

1.3994

0.020

76

 

0.5080

 

0.055

54

 

1.3970

0.021

75

 

0.5334

 

0.0595

53

 

1.5113

0.0225

74

 

0.5715

 

0.0625

 

1/16

1.5875

0.0234

 

3/128

0.5944

 

0.0635

52

 

1.6129

0.024

73

 

0.6096

 

0/067

51

 

1.7018

0.025

72

 

0.6350

 

0.070

50

9/128

1.7780

0.026

71

 

0.6604

 

0.073

49

 

1.8288

0.028

70

 

0.7112

 

0.076

48

 

1.9305

0.0292

69

 

0.7417

 

0.0781

 

5/64

1.9837

0.031

68

 

0.7874

 

0.0785

47

 

1.9939

0.0312

 

1/32

0.7925

 

0.081

46

 

2.0574

0.032

67

 

0.8128

 

0.082

45

 

2.0828

0.033

66

 

0.8382

 

0.086

44

11/128

2.1844

0.035

65

 

0.8890

 

0.089

43

 

2.2606

0.036

64

 

0.9144

 

0.0935

42

 

2.3749

0.037

63

 

0.9398

 

0.0937

 

3/32

2.3800

0.038

62

 

0.9652

 

0.096

41

 

2.4384

0.039

61

5/32

0.9906

 

0.098

40

 

2.4892

0.040

60

 

1.0160

 

0.0995

39

 

2.5273

0.041

59

 

1.0414

 

0.1015

38

 

2.5781

The information for this chart came from the Pocket Ref, by Thomas J. Glover.

 

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"Waters" World Copyright © 2002-2006 

by C. H. Waters.  All Rights Reserved. 

 Updated: March 07, 2006 09:42 AM.