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12 Inch Alloy Steel Raise Boring Roller Cutters for Raise Boring Machine Drilling Hard Rock Underground Tunnel Use
12 Inch Alloy Steel Raise Boring Roller Cutters for Raise Boring Machine Drilling Hard Rock Underground Tunnel Use
| Type | DRILL BIT | Material | Chromium |
| Use | Coal Mining | Processing Type | Forging |
| Machinery Test Report | Provided | Machine Type | Drilling Tool |
| Video outgoing-inspection | Provided | Weight (KG) | 80 |
| Color | Metallic | Bearing type | Sealed bearing |
| Structure | Roller – ball – roller | Seal type | Metallic seal |
| Cutting structure | Carbide teeth(TCI) | Outer row teeth | Chisel-point tooth |
| Inner row teeth | Chisel-point tooth | Back cone teeth | Ball head tooth |
| Connection | Saddle | Single bit pressure(lb) | 20,000-50,000 lb |
