rock core drill bits online manufacture

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

4 1/2inch PDC Core Drill Bit 8 Blades Exploitiation Bit For Mining 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

94mm PDC Core Drill Bit Diamond Core Drill Bit Water Drill Bit Characteristics: 1. The core bit has a simple structure which cutting trajectory is relatively simple in the downhole, which is prone to "jumping" ... Read More

6inch PDC Core drill bit Rock Drill Bit Well Water Drill Bits 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 saltatory ... Read More

Core Drill Bits Diamond Tip Core Drill Bit For Hammer Drilling Characteristics:1. The structure of the core drill bit is simple, and the cutting track is single.It is easy to be saltatory during the drilling. ... Read More

8-5/8 5 Blades Rock Drill Bit Water Well Drill Bits PDC Cutter Drilling Machine PDC bits are cheaper than natural diamond bits. After the successful manufacture and use of PDC drills in the early 1970s, ... Read More

6-1/2 6 Blade PDC Rock Bit Water Drill Bit Coal Mining Drilling Machine PDC bits are far less expensive than natural diamond bits, but are only suitable for soft to edium hard formations. After the PDC bit was ... Read More

9 Inch 6 Blades PDC Core Bit Diamond Tip Drill Bit Rock Bits 1. The force of the cutting structure is balanced, and the asymmetrical design of the cutter head blade makes the load bits are balanced. This ... Read More

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

6 4/5 inch PDC Core Drill Bit PDC Drill Bit Water Dril Bit Rock Bit Characteristics: 1. The structure is simple, and the cutting track is single in the underground.It is saltatory when the drilling is working. ... Read More