Ana amfani da Screw Thread Tap don aiwatar da zaren ciki na musamman na ramin shigar da zaren waya, wanda kuma ake kira waya threaded Screw Thread Tap, ST tap.Ana iya amfani da shi ta inji ko da hannu.Screw Thread Taps za a iya raba su zuwa injunan gami da haske, famfo na hannu, injunan ƙarfe na yau da kullun, ...
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