不加厚油管螺紋量規(guī)規(guī)格:1.050TBG-10(牙數(shù)) 1.315TBG-10 1.660TBG-10 1.900TBG-10 23/8TBG-10 27/8TBG-10 31/2TBG-10 4TBG-8 41/2TBG外加厚油管螺紋量規(guī)規(guī)格:1.050UPTBG-10 1.315UPTBG-10 1.660UPTBG-10 1.900UPTBG-10 23/8UPTBG-8 27/8UPTBG-8 31/2UPTBG-8 4UPTBG-8 41/2UPTBG-8