Fandavahana ho an'ny fandavahana lavadrano solika/gaz sy fandavahana fototra
Manana andiana "bits" matotra ny orinasa, anisan'izany ny "roller bit", ny "PDC bit" ary ny "coring bit", vonona ny hiezaka mafy indrindra hanome vokatra tsara dia tsara sy kalitao marin-toerana ho an'ny mpanjifa.
Bit Rock Tri-cone andiany GHJ miaraka amin'ny rafitra Bearing famehezana metaly:
Bibikely Vatokely Tri-cone andiany GY
Bibikely Vatokely Tri-cone Andiany F/ FC
Bit Rock Tri-cone andiany FL
GYD Series Single-cone Rock Bit
| MODELY | Savaivony bit |
Kofehy fampifandraisana (inch) | Lanja kely (kg) | |
| mirefy | 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 |
| Fanamarihana: Azo ovaina araka izay tianao ireo maodely bit izay tsy aseho amin'ny tabilao. | ||||






