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- rock drill bit
- 4-1/2" TCI tricone bit
- 14-3/4" TCI tricone bit
- 8-1/2" GD1306 PDC drill bit
- 8-1/2" GD1605 PDC drill bit
- 8-1/2" GD1307 PDC drill bit
- 8-1/2" GI281 PDC drill bit
- 8-1/2"*4" GDC0806 PDC core drill bit
- 8-1/2"*4" GIC279 PDC core drill bit
- 8-1/2"*4" DIC280 PDC core drill bit