螺紋螺距測量儀

用于API螺紋螺距的測量,使用螺距標準塊進行調零； FYWM系列 API螺紋螺距測量儀 FYWM Series API Thread Pitch Gages 用于API螺紋螺距的測量,使用螺距標準塊進行調零； Measure the API thread pitch，need be preset with the Lead stardards. http://www.szfyou.cn FYWM系列 API螺紋螺距測量儀標準塊 FYWM Series API Thread Pitch Setting Stardards 用于內、外螺距測量儀使用前標準值的校對,需要單獨購買。 Pitch setting stardards are used to preset the thread pitch gages contact points location porior to the inspection of the threaded connector。Sold separately from the gages.