Gutobora Bit kuri Amavuta / gazi Iriba no gucukura
Isosiyete ifite urutonde rukuze rwa bits, harimo roller bit, PDC bit na coring bit, yiteguye kugerageza ibishoboka byose kugirango itange ibicuruzwa nibikorwa byiza kandi byiza bihamye kubakiriya.
GHJ Urukurikirane rwa Tri-cone Urutare Bit hamwe na sisitemu yo gufunga ibyuma:
GY Urukurikirane Tri-cone Urutare Bit
Urutonde rwa F / FC Tri-cone Urutare Bit
FL Urukurikirane Tri-cone Urutare Bit
GYD Urukurikirane Rumwe-cone Urutare Bit
| Icyitegererezo | Diameter |
Guhuza urudodo (intambwe) | Uburemere buke (kg) | |
| santimetero | mm | |||
| 8 1/8 M1953GZFA | 8 1/8 | 206.4 | 4 1/2 REG | 63 |
| 8 3 / 8M1953GLFA | 8 3/8 | 212.7 | 4 1/2 REG | 67 |
| 8 1 / 2M1234AL | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 1 / 2M3235AL | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 1 / 2M2235ALF | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 1 / 2M3235BLF | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 1 / 2M2235L | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 1 / 2M3236AL | 8 1/2 | 215.9 | 4 1/2 REG | 70 |
| 8 3 / 4M3235AL | 8 3/4 | 222.3 | 4 1/2 REG | 72 |
| 8 3 / 4M2235ALF | 8 3/4 | 222.3 | 4 1/2 REG | 72 |
| 9 1 / 2M3235L | 9 1/2 | 241.3 | 6 5/8 REG | 85 |
| 9 1 / 2M3236L | 9 1/2 | 241.3 | 6 5/8 REG | 85 |
| 12 1 / 4M3235 | 12 1/4 | 311.1 | 6 5/8 REG | 105 |
| Icyitonderwa: Moderi ya biti itagaragara mumeza irashobora gutegurwa. | ||||
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