The thread size is small, and the wire tapping is very fine. The manual tapping machine is used for visual inspection. It is easy to break the wire tapping to a certain depth, so the appropriate depth processing is shallow!
Thread specifications are small, silk tap is very fine, visual use is a manual tapping machine, to reach a certain depth of silk tap easy to break, so the appropriate depth of processing shallow!
The thread specification is small, and the tap is very thin. The manual tap machine is adopted for visual inspection, and the tap is easy to break when reaching a certain depth, so the proper depth processing is shallow!<br>