Meno a Motsoako oa Taemane a DB1421 a Chitja
| Sehlahisoa Mohlala | Bophara ba D | Bolelele ba H | Sekhahla sa SR sa Dome | Bophahamo bo Pepesitsoeng ba H |
| DB0606 | 6.421 | 6.350 | 3.58 | 2 |
| DB0808 | 8.000 | 8.000 | 4.3 | 2.8 |
| DB0810 | 7.978 | 9.690 | 4.3 | 2.7 |
| DB1010 | 9.596 | 10.310 | 5.7 | 2.6 |
| DB1111 | 11.184 | 11.130 | 5.7 | 4.6 |
| DB1215 | 12.350 | 14.550 | 6.8 | 3.9 |
| DB1305 | 13.440 | 5,000 | 20.0 | 1.2 |
| DB1308 | 13.440 | 8.000 | 20 | 1.2 |
| DB1308V | 13.440 | 8.000 | 20.0 | 1.2 |
| DB1312 | 13.440 | 12.000 | 20 | 1.2 |
| DB1315 | 12.845 | 14.700 | 6.7 | 4.8 |
| DB1318 | 13.440 | 18.000 | 20.0 | 1.2 |
| DB1318 | 13.440 | 17.600 | 7.2 | 4.6 |
| DB1421 | 14.000 | 21.000 | 7.2 | 5.5 |
| DB1619 | 15.880 | 19.050 | 8.3 | 5.9 |
| DB1623 | 16.000 | 23.000 | 8.25 | 6.2 |
| DB1824 | 18.000 | 24,000 | 9.24 | 7.1 |
| DB1924 | 19.050 | 24.200 | 9.7 | 7.8 |
| DB2226 | 22.276 | 26.000 | 11.4 | 9.0 |
Ho hlahisa leino le lecha la DB1421 le chitja la taemane le lecha – tharollo e phethahetseng bakeng sa ho hanyetsa ho hoholo le ho tsofala ho hoholo. Ka bokhoni ba ho nkela lihlahisoa tsa carbide sebaka, meno ana a kopantsoeng a nka nako e telele ho feta meno a setso a ho seha carbide.
Meno ana a macha a sebelisoa haholo masimong a fapaneng, ho kenyeletsoa le masimo a boenjiniere a ho epolla le a kaho a kang li-roller cone bits, li-drill bits tse theohileng ka har'a lesoba, lisebelisoa tsa boenjiniere tsa ho cheka, le mechini e silang. 'Me ho sebelisoa likarolo tse ngata tse ikhethang tsa li-PDC bits, tse kang meno a monyang shock, meno a bohareng le meno a ho lekanya, 'me meno ana a kopaneng a thusa ho fetola indasteri ea ho cheka.
Ha nts'etsopele ea khase ea shale e ntse e tsoela pele ho hola 'me tlhoko ea meno a carbide e fokotseha, tlhoko ea meno a kopaneng a chitja a DB1421 e ntse e eketseha. Ka matla a bona a ikhethang le ts'ebetso ea nako e telele, a fetoha khetho ea pele ka potlako indastering eohle e hlokang tšusumetso e matla le ho hanyetsa ho khoptjoa.
Ka Meno a DB1421 Diamond Spherical Compound, o ka lebella ho tšoarella le ho tšepahala ho hoholo ha o ntse o cheka le ho cheka. Kahoo, haeba o batla ho lula o le ka pele ho moqolo mabapi le bokgoni le tshebetso, meno ana a kopaneng ke a hao. O se ke wa kgotsofalla ho reka hanyane – kgetha Meno a DB1421 Diamond Spherical Compound kajeno mme o bone phapang!
