ama-drill bits, njengengxenye eyinhloko yamathuluzi okubhola, bekulokhu kungenye yamathuluzi abalulekile emikhakheni yemboni, yokwakha, yokwenza izinkuni kanye ne-DIY.Ukuklama kwazo nezinto ezisetshenziswayo kubenza bafanelekele izinhlelo zokusebenza ezihlukahlukene futhi baziwa ngezinga labo eliphezulu lokunemba, ukuqina kanye nokuguquguquka.