api concave drill bit online manufacture

6inch 3 Blades Concave Drill Bit Water Drill Bit Mining PDC Bit Characteristics: 1. The top surface of the drill bit is a shallow conical surface, with 3 small water holes on the top surface and 3 large water ... Read More

133mm Concave Drill Bit Water Drill Bit Mining PDC Bit Metal Drill Bit Characteristics: 1. The top surface of the drill bit is a shallow conical surface, with 3 small water holes on the top surface and 3 large ... Read More

4 5/8 Inch 5 Blades Diamond Core Drill Bit Oil Drilling Bit Characteristics: 1. The crown surface of the bits is long cast surface which is suitable for abrasive formation. 2. The conical surface is shallow, so ... Read More

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 strong guidance and a large nozzle structure in the center. ... Read More

3inch Coal Mining Drill Bit Concave Drill Bit Water Drill Bit PDC Bit Characteristics: 1. The top surface of the bit is shallow with 3 small nozzles. and in the circumferential direction of the blades there are ... Read More

8-1/2inch 6 Blades Concave Drill Bit Oilfield Drill Bit PDC Core Bits Diamond PDC drills are designed to operate at a higher penetration rate, even in applications requiring higher insert and tool counts. Its ... Read More

Concave Metal Drill Bit Steel Body Coal Mine Drilling Equipment Characteristics: 1. The top surface of the bit is shallow with 3 small nozzles. and in the circumferential direction of the blades there are 3 big ... Read More

94mm PDC Well Bit Concave Drill Bit Rock Drill Bit Water Drill Bit Characteristics: 1. The top surface of the bit is shallow with 3 small nozzles. and in the circumferential direction of the blades there are 3 ... Read More