API 8 1/2″ PDC Reaming Bits for Hard Rocks Drilling
Product Description
6" pilot bit is fitted in front as guider, 8 1/2" is the reaming diameter and exact diameter of PDC bit.Long profile increases stable strength, strong ability of gauge protection is no concern on shrinkage in drilling hard rocks.
Product Specification
Product specification
| Bit Diameter | 6" * 8 1/2" |
| Body Type | Steel |
| Thread Connection4 | 4 1/2 API REG PIN |
| Cutters Type & Quantity | 13mm,16mm |
| Back Reaming Cutters Number | 13mm |
| Gauge Protection Materials | Tungsten Carbide, PDC Cutter |
| Gauge Protection Type | Regular |
| Number of Nozzle | 5 pcs; 3 pcs |
| Rotary Speed (RPM) | 150-300 |
| Weight on Bit (KN) | 20-60 |
| Flow Rate (L/S) | 10-25 |
