Metric Conversion Chart

Inches

MM

Inches

MM

0.236

06

1.969

50

0.394

10

2.165

55

0.630

16

2.362

60

0.787

20

2.559

65

0.984

25

2.756

70

1.181

30

3.150

80

1.378

35

3.543

90

1.575

40

3.937

100

1.772

45

 

 

* M6 is similar in diameter to 1/4-20

* M8 is similar in diameter to 5/16-18

* M10 is similar in diameter to 3/8-16

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