Tap Metric Conversion Tables
Millimeter Size to Inches
Select a metric size
Size
Millimeter
Size
Inches
Basic Tap
Blank Size
.03937
0
Millimeter Pitch to Threads Per Inch
Select a metric pitch
Pitch in
Millimeters
Pitch in
Inches
Threads
Per Inch
Basic
Thread Height
.01378
72.57
.00895