I-Tapered Button Drill Bits, evame ukubizwa ngokuthi izinkinobho ze-carbide, angamathuluzi okusika akhethekile asetshenziswa ngokuyinhloko emisebenzini yokumba. Lezi zingcezu zaziwa ngokuhlala isikhathi eside futhi zisetshenziswa ezimbonini ezahlukahlukene, ezihlanganisa izimayini, ezokwakha, nezokuhlola uwoyela negesi.Ama-Tapered Button Drill Bits aphathwa ukushisa ukuze kwandiswe ubulukhuni bawo, amandla nokumelana nokuguga, okuwenza aqine futhi asebenze kahle emisebenzini yokumba.