Ukukhetha i-jack hammer drill bit esihle kungakhawulekile. Okokuqala, khetha umthwakathi owakufuna ukuthintela. Uma ubenza ngokonkamisa, ufuna i-bit esikhulu nokuthi isebenzise kahle. Bona izibit ezwenziwe ngomthwakathi omkhulu wokuphatha. I-Mazellion inika izibit eziningi ezisakhiwe ngokwesithakazelo sesilinganiso, futhi I-Rod yokubhala ngokwesikhumba (DTH) ye-ZD-89, 89mm, yasezindaweni zokubhala izizinda zemfula nezokubhala ngokwesikhumba (DTH) . Uma ufuna ukuthintela izinto ezingenani, njengokwamasphalt, i-bit eyodwa kungenza kahle. Isimo se-bit sifanele kakhulu. Izibit ezinamapoint zingasebenza kahle ekusameni kwemifula, ngakholo izibit zokuchitha zingasebenza kahle ekuthinteleni izindawo ezinkulu. Sicela uvumise isize se-bit. Kufanele isebenze ngokuphelele nge-jackhammer yakho. Uma ikhulu kakhulu noma incane kakhulu, akasenza kahle.
Isilungiselelo esinye sokubona kukuphakeme kwe-bit. I-bit ezinye zinamaphakeme amathile, ngakolunye uhlangothi lwe-bit lunamaphakeme amakhulu noma amachiselwe. Iphakeme inemiphumela ekutheni i-bit ithintwa ematerialini. Isibonelo, iphakeme elikhulu linakwenzela ukuthintwa kwesilika kahle, ngakolunye iphakeme elithile linelungiselelo lokusobala izinye zezinye. Khetha isibhalo esifanayo nesilingo sakho. Ekugcineni, bheka isibhalo. U-Mazellion uyaziwa ngokwenza i-bit zokuthintela eziphila nezisobala. Ukufunda i-bit enenhla kakhulu kuzosindisa isikhathi nakomali ekugcineni.