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DRILL SELECTION CHART

size 0.10 to 1.99

size 2.00 to 3.99

> size 4.00 to 5.95

size 6.00 to 9.92

size 10.00 to 19.84

size 20.00 to 25.40

Drill Size

mm
Equiv*

Decimal
Inches
Equiv*

Metric

Fractional

Gauge

4.00

4.00

.1575

21

4.04

.1590

20

4.09

.1610

4.10

4.10

.1614

4.20

4.20

.1654

19

4.22

.1660

4.30

4.30

.1693

18

4.31

.1695

11/64

4.37

.1719

17

4.39

.1730

4.40

4.40

.1732

16

4.50

.1770

4.50

4.50

.1772

15

4.57

.1800

4.60

4.60

.1811

14

4.62

.1820

4.70

13

4.70

.1850

3/16

4.76

.1875

4.80

12

4.80

.1890

11

4.85

.1910

4.90

4.90

.1929

10

4.91

.1935

9

4.98

.1960

5.00

5.00

.1969

8

5.05

.1990

5.10

5.10

.2008

7

5.11

.2010

13/64

5.16

.2031

6

5.18

.2040

5.20

5.20

.2047

5

5.22

.2055

5.30

5.30

.2087

4

5.31

.2090

5.40

5.40

.2126

3

5.41

.2130

5.50

5.50

.2165

7/32

5.56

.2188

5.60

5.60

.2205

2

5.61

.2210

5.70

5.70

.2244

1

5.79

.2280

5.80

5.80

.2283

5.90

5.90

.2323

A

5.94

.2340

15/64

5.95

.2344

size 0.10 to 1.99

size 2.00 to 3.99

size 4.00 to 5.95

size 6.00 to 9.92

size 10.00 to 19.84

size 20.00 to 25.40

 

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