API Spec 5B Hemco manufactures Non-upset & Upset tubing gages to API Spec 5B to check all elements of the product thread including standoff, taper, crest, lead, flank angles, pitch diameter @ hand tight plane, etc.
API Spec 7-2 Hemco manufactures Regular Rotary gaging to API Spec 7-2 to check all elements of rotary shouldered thread connections including standoff, taper, crest, lead, flank angles, pitch diameter @ gage point, etc.
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