I-drill chuck yi-clamp ekhethekileyo esetyenziselwa ukubamba i-bit ejikelezayo;ngenxa yoku, ngamanye amaxesha ibizwa ngokuba yi-bit holder.Kwi-drill, ii-chucks zihlala zinemihlathi emininzi ukukhusela i-bit.Kwezinye iimodeli, udinga isitshixo se-chuck ukukhulula okanye ukuqinisa i-chuck, ezi zibizwa ngokuba yi-keyed chucks.Kwi...
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