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Brand Name : ROSCHEN
Model Number : 3" 3 1/2" 4" 41/2" 4 3/4"
Certification : ISO
Place of Origin : CHINA
MOQ : 5 pcs
Price : Negotiate
Supply Ability : 100000000 pcs
Packaging Details : Wooden box
Air Core Bit
Air Core Drill Bits – Premium Tungsten Carbide
Roschen's premium air core drill bits last longer and drill faster, giving you cleaner samples and higher rig productivity.
Air Core Bit
Air Core Bits are used for drilling into unconsolidated, soft ground conditions. This method of drilling is used to drill the weathered regolith (loose, heterogeneous material covering solid rock). Except T.C. type, Roschen can make PDC type to adaptor soft to hard formation.
Product Parameters
| 3" | Remet or other threads as per request |
| 3 1/2" | Remet or other threads as per request |
| 4" | Remet or other threads as per request |
| 41/2" | Remet or other threads as per request |
| 4 3/4" | Remet or other threads as per request |
| Note | |
| Special sizes can also be made as per request. | |
| Any other thread is available against requirements. | |

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Air Core Bit for reverse circulation hammer drilling Images |