
Dzino lopangidwa ndi simenti la carbide tapered mpira ndi gawo lofunikira kwambiri pazida za geological ndi migodi (monga DTH kubowola, ma roller cone drills). Imatengera mawonekedwe opangidwa ndi tapered, ndipo mutu wa mpira umakhudza kwambiri kulimba komanso kukana kuvala. Imatha kuphwanya miyala yolimba ndi ores, ndipo ndiyoyenera kubowola, kuphulitsa ndi ntchito zina. Zili ndi ubwino wa kuphwanya kwakukulu, kukana kwamphamvu komanso kukhala kosavuta kuwononga.
| Parameter chinthu | Kufotokozera |
| Maphunziro a Alloy | AS10, AS15, AM15 |
| Zinthu za Cobalt (%w/w) | 10.0-15.0 |
| Kachulukidwe (g/cm³) | 13.9-14.4 |
| Kulimba (HRA) | 90.3-91.9 |
| Mpira wa Mutu wa Mpira (mm) | 5-25 |
| Taper | 1:4, 1:5 (Zosintha mwamakonda) |
| Utali wonse (mm) | 15-50 (Zosintha mwamakonda) |
| Kulimba Mtima (N/mm²·m¹/²) | 9.8-14.5 |