indicating thread snap gauge, indicating thread snap gage, indicating thread comparator
mõõtevahend väliskeerme keskläbimõõdu ja keeret iseloomustavate teiste suuruste, nt sammu, poolnurga jne, mõõtmiseks, snap gage for gaging the individual thread parameters of threaded products, measuring instrument for measuring pitch, root and outside diameters of all kinds of external threads as well as serrations
