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| Reamer Size | Shaft Size | Thread Type | Type of Extra Cone | Num of Cones |
|---|---|---|---|---|
| 28" | 203 | 620 - 621 | ZW - TCI OR MT | 4 |
| 30" | 203 | 620 - 621 | ZW - TCI OR MT | 4/5 |
| 32" | 203 | 620 - 621 | ZW - TCI OR MT | 5 |
| 34" | 203 | 620 - 621 | 5ZW - TCI OR MT | 5 |
| 36" | 228 | 620 - 621 | ZW - TCI OR MT | 5 |
| 38" | 228 | 620 - 621 | ZW - TCI OR MT | 5 |
| 40" | 228 | 620 - 621 | ZW - TCI OR MT | 5 |
| 42" | 228 | 620 - 621 | ZW - TCI OR MT | 6 |
| 44" | 228 | 620 - 621 | ZW - TCI OR MT | 6 |
| 46" | 228 | 620 - 621 | ZW - TCI OR MT | 6 |
| 48" | 228 | 620 - 621 | ZW - TCI OR MT | 6 |
| 50" | 228 | 620 - 621 | ZW - TCI OR MT | 6 |
| 52" | 228 | 620 - 621 | ZW - TCI OR MT | 7 |
| 54" | 228 | 620 - 621 | ZW - TCI OR MT | 7 |
| 56" | 228 | 620 - 621 | ZW - TCI OR MT | 7 |
| 58" | 228 | 620 - 621 | ZW - TCI OR MT | 7 |
| 60" | 228 | 620 - 621 | ZW - TCI OR MT | 7 |
| 62" | 228 | 620 - 621 | ZW - TCI OR MT | 8 |
| 64" | 228 | 620 - 621 | ZW - TCI OR MT | 8 |
| 66" | 241 | 620 - 621 | ZW - TCI OR MT | 8 |
| 68" | 241 | 620 - 621 | ZW - TCI OR MT | 9 |
| 70" | 241 | 620 - 621 | ZW - TCI OR MT | 4 |
| 72" | 241 | 620 - 621 | ZW - TCI OR MT | 4/5 |
Our company has been manufacturing Rock Drilling Tools for over 30 years. We manufacture and export a wide range of drilling tools, including Tricone Bits, PDC Bits, DTH Hammers & Bits, Top Hammer Tools, and more, which are extensively used in mining, oil/gas drilling, water well drilling, geothermal exploration, construction, tunneling, quarrying, piling, and foundation industries.