How to calculate buttress depth of thread

[henry guevarra]

How do calculate 2.188"-10 buttress thread thread depth, (45 degree x 7 degree insert)?

 

[escapethewrmhole]

How do calculate 2.188"-10 buttress thread thread depth, (45 degree x 7 degree insert)?

Buttress is a bit of a vague quote, there are several different types of buttress. Can you be more specific?

If yours is a USS buttress it would look like this:



If yours is a casing buttress it would look like this: