Measuring Length and Pitch
How to measure length

What is thread pitch:
Inch – The number of threads per inch
Metric – The distance between crests of adjacent threads

Diameter Inches |
|
Threads per inch |
|
Type |
Diameter Millimeters |
|
Distance millimeters |
|
Type |
3/4 |
– |
10 |
= |
Coarse |
M8 |
x |
1.25 |
= |
Coarse |
3/4 |
– |
16 |
= |
Fine |
M8 |
x |
1 |
= |
Fine |
Pitch & Diameter Charts

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