2 Blades Anchor Shank Drill Bit Coal Mining Drill Bit PDC Cutter Bits Characteristics: 1. Using the PDC cutters and spherical cutters. Both of theses ...
6 4/5inch Directional Drill Bit Minning PDC Diamond Drill Bit Characteristics: 1. The crown surface of the bit is a flat polishing surface, which is ....
6inch Directional Drill Bit with 4 Wings Use For Deep Well Drilling Characteristics: 1. The crown surface of the drill bit is a flat surface, which is ...
3inch Directional Drill Bit PDC Cutter Hight Manganese Steel Metal Drill Bit Characteristics: 1. The bit crown is a flat polished surface, suitable .....
75mm Directional drill bit PDC bits Metal drill bits small rock drill Characteristics: 1. The crown surface of the bit is a flat polishing surface, .....
4 5/8 Inch Directional Drill Bit 4 Blades Well Drill Bits PDC Cuttter Characteristics: 1. The bit crown is a flat polished surface, suitable for hard ...
6inch PDC Oil Drill Bit Rock Drill Bit Water Drill Bit PDC Bit Characteristics: 1. The taper surface of the drill bit is a shallow taper surface, with ...
2 Blades Anchor Shank Drill Bit Coal Mining Drill Bit PDC Cutter Bits Characteristics: 1. Using the PDC cutters and spherical cutters. Both of theses ...