All-Pro Fasteners
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Drill Size Decimal Equivalent

Drill Size

MM

Decimal Equivalent

Drill Size

MM

Decimal Equivalent

Drill Size

MM

Decimal Equivalent

Drill Size

MM

Decimal Equivalent

Drill Size

MM

Decimal Equivalent

0.10

.0039

53

1.51

.0595

4.00

.1575

J

7.04

.2770

14.00

.5512

0.20

.0079

1/16

1.59

.0625

21

4.04

.1590

K

7.14

.2810

9/16

14.29

.5625

0.25

.0098

52

1.61

.0635

20

4.09

.1610

9/32

7.14

.2812

37/64

14.68

.5781

0.30

.0118

51

1.70

.0670

19

4.22

.1660

L

7.37

.2900

15.00

.5906

80

0.34

.0135

50

1.78

.0700

18

4,31

.1695

M

7.49

.2950

19/32

15.08

.5938

79

0.37

.0145

49

1.85

.0730

11/64

4.37

.1719

19/64

7.54

.2969

39/64

15.48

.6094

1/64

0.40

.0156

48

1.93

.0760

17

4.39

.1730

N

7.67

.3020

5/8

15.88

.6250

78

0.41

.0160

5/64

1.98

.0781

16

4.50

.1770

5/16

7.94

.3125

16.00

.6299

77

0.46

.0180

47

1.99

.0785

15

4.57

.1800

8.00

.3150

41/64

16.27

.6406

0.50

.0197

2.00

.0787

14

4,62

.1820

O

8.03

.3160

21/32

16.67

.6562

76

0.51

.0200

46

2.06

.0810

13

4.70

.1850

P

8.20

.3230

17.00

.6693

75

0.53

.0210

45

2.08

.0820

3/16

4.76

.1875

21/64

8.33

.3281

43/64

17.07

.6719

74

0.57

.0225

44

2.18

.0860

12

4.80

.1890

Q

8.43

.3320

11/16

17.46

.6875

0.60

.0236

43

2.26

.0890

11

4.85

.1910

R

8.61

.3390

45/64

17.86

.7031

73

0.61

.0240

42

2.37

.0935

10

4.91

.1935

11/32

8.73

.3438

18.00

.7087

72

0.64

.0250

3/32

2.38

.0938

9

4.98

.1960

S

8.84

.3480

23/32

18.26

.7188

71

0.66

.0260

41

2.44

.0960

5.00

.1968

9.00

.3543

47/64

18.65

.7344

0.70

.0276

40

2.50

.0980

8

5.05

.1990

T

9.09

.3580

19.00

.7480

70

0.71

.0280

39

2.53

.0995

7

5.11

.2010

23/64

9.13

.3594

3/4

19.05

.7500

69

0.74

.0292

38

2.58

.1015

13/64

5.16

.2031

U

9.35

.3680

49/64

19.45

.7656

0.75

.0295

37

2.64

.1040

6

5.18

.2040

3/8

9.53

.3750

25/32

19.84

.7812

68

0.79

.0310

36

2.71

.1065

5

5.22

.2055

V

9.56

.3770

20.00

.7874

1/32

0.79

.0313

7/64

2.78

.1094

4

5.31

.2090

W

9.80

.3860

51/64

20.24

.7969

0.80

.0315

35

2.79

.1100

3

5.41

.2130

25/64

9.92

.3906

13/16

20.64

.8125

67

0.81

.0320

34

2.82

.1110

7/32

5.56

.2188

10.00

.3937

21.00

.8268

66

0.84

.0330

33

2.87

.1130

2

5.61

.2210

X

10.08

.3970

53/64

21.03

.8281

65

0.89

.0350

32

2.95

.1160

1

5.79

.2280

Y

10.26

.4040

27/32

21.43

.8438

0.90

.0354

3.00

.1181

A

5.94

.2340

13/32

10.32

.4062

55/64

21.84

.8594

64

0.91

.0360

31

3.05

.1200

15/64

5.95

.2344

Z

10.49

.4130

22.00

.8661

63

0.94

.0370

1/8

3.18

.1250

6.00

.2362

27/64

10.72

.4219

7/8

22.23

.8750

62

0.97

.0380

30

3.26

.1285

B

6.05

.2380

11.00

.4331

57/64

22.62

.8906

61

0.99

.0390

29

3.45

.1360

C

6.15

.2420

7/16

11.11

.4375

23.00

.9055

1.00

.0394

28

3.57

.1405

O

6.25

.2460

29/64

11.51

.4531

29/32

23.02

.9062

60

1.02

.0400

9/64

3.57

.1406

1/4

6.35

.2500

15/32

11.91

.4688

59/64

23.42

.9219

59

1.04

.0410

27

3.66

.1440

E

6.35

500

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