manganese coal mining drill bits online manufacture

Anchor Shank Drill Bit 2 Blades Coal Mining Drill Bit Steel Body PDC Bit Characteristics: 1. There are two types of diamond composite sheets: flat sheet and spherical sheet. The flat sheet is fast and can be ... Read More

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 cutters make the bit can drill faster, so they are applied ... Read More

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

94mm Directional Drill Bit Coal Mine Bit 5 Blades PDC Mining Bit Characteristics: 1. The Directional Drill Bit crown is a flat polished surface for hard, non-abrasive formations. it can be used for strongly ... Read More

Parabolic Diamond Drill Bit For Mine Coal Drilling Tools Characteristics: 1. The crown surface of the bit is medium cast surface which makes the bit suitable for medium hard to hard and strong abrasive ... 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

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

133mm PDC Core Drill Bit PDC Drilling Bit Rock Dril Bit Well Drill Bit Characteristics: 1. The structure of the core drill bit is simple, and the cutting track is single in the underground.It is easy to be ... Read More

6.8inch PDC Rock Drill Bit Well Drill Bit PDC Rock Bit PDC Drill Bit Characteristics: 1. The crown medium cast surface which makes the bit suitable for normal hard to hard formation.It can used in high rotation ... 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