Flat Face Kushandisa: Kuumbwa kwedombo rakaoma uye rinoputika. Kuumbwa kwakajairika: Granite, hard limestone, basalt.
Concave Face Chishandiso: Yepakati yakaoma kune yakaoma maumbirwo.Zvishoma zvishoma, zvakatsemuka maumbirwo.Kudzora kwakanakisa kwegomba kutsauka. Kuumbwa kwakajairika: Granite, hard limestone, basalt.
Convex Face Application: Yakapfava kune yepakati hard rock.Non abrasive formation.Kupinza kwepamusoro. Maumbirwo akajairika: Limestone, hard limestone, shale.
DTH BIT Zvimiro
1. Yakanakisa insetting tekinoroji inovimbisa kuti iyo carbides haizodonhe kubva kune bit body.
2. Yepamberi yekupisa kupisa michina uye tekinoroji kuve nechokwadi kugadzikana kweiyo bit body performance.
3. Special bit surface dhizaini, dhizaini dhizaini uye chaiyo yekugadzirisa tekinoroji inogamuchirwa kuve nechokwadi chehupenyu hwesevhisi yeDTH bit kune akasiyana dombo kuumbwa.
