Thread addendum is now a mandated inspection according to the API 5B Specification 16th Ed. Gagemaker also manufactures several models of thread addendum (a.k.a. shave) gages. Please specify the type of thread when ordering.
Addendum gages require setting with a particular standard. Standard sold separately.
Contact point (T072) is included with every TA-3002. For 10 Round threads, a different contact point (T057) is required and sold separately.