Amaphathi we-drill we-carbide e-rock ayizinto ezispeciale zokudrila emithilini eminingi njengokwezinkundla nezinkundla. Zakhelwe nge-metal enkulu okuyi-carbide, okusiza kuzoba nezinye nokubaluleka kunezinye iziphathi zokudrila. Lezi ziphathi zisebenzisa kwiindustri eziningi, kubandakanya ukudala, ukuthatha amasimbi, nokudlula amafutha. Ukusebenzisa lezi ziphathi kusiza ukuthatha isikhathi nemali ngoba zisebenza kahle kunezinye futhi zibaluleka kakhulu. Uma abantu basebenzisa lezi ziphathi, bafika ekupheleni kwemisebenzi yabo ngokusheshayo, okwenza kuba yilokho okukhethekile kubantu abaningi abadinga izintfo ezibalulekile.
Izibhodi zokuchitha amaphakathi ezinkolo zikwaziwa ngokuthi zinamandla nezinkundla. Isiphumo esikhulu sokuqala kukuthi kungakwazi ukuchitha izinto ezingavamile njenge-granite ne-basalt ngaphandle kokugqibela. Lokhu kusho ukuthi abasebenzi akadinga ukubuyisela izibhodi zabo ngokukhona, okunika isiphungo. Umsebenzi wokuhlakanipha: uma ibhodi yochitha eyisisekelo iyadlala imihora eminye, ibhodi yencarbid iyadlala iminyaka. Lokhu akusiza kuphela kubudlela kodwa kusiza futhi ukuthi iziprojekthi zingaqondene nesikhathi. Isiphumo esinekho sokuqala kukuthi izibhodi zencarbid zinakwamukela isikhathi esiphakade. Uma kuchithwa amaphakathi, ukuthintana kwenza isikhathi, kodwa incarbid inakwamukela lokhu ngaphandle kokuphatha isibhodi sakhe. Lokhu kwenza ukuthi ziyinkundla kakhulu emizimbeni engavamile. Ngaphezu kwalokho, ukusebenzisa izihlangu zokuchitha zase-DTH njenge- I-Rod yokubhala ngokwesikhumba (DTH) ye-ZD-89, 89mm, yasezindaweni zokubhala izizinda zemfula nezokubhala ngokwesikhumba (DTH) kungahlela ukuthi ukuchitha kwenzeke ngokuvamile.