Mubice byubushakashatsi bwa peteroli na gaze, guhitamo ibikoresho byo gucukura birashobora kugira ingaruka zikomeye mubikorwa no gukoresha neza. Kimwe mubikoresho bizwi cyane bikoreshwa mugucukura kuzunguruka ni tricone bit, cyane cyane 8 1/2 santimetero. Iyi bit irangwa na cones eshatu zizunguruka, buri kimwe gifite amenyo atyaye yagenewe gujanjagura imiterere y'urutare, bigatuma ihitamo ryiza.