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ZRQ165B-DHD360 high wind pressure down-the-hole drill bit
ZRQ165B-DHD360 high wind pressure down-the-hole drill bit
 
 

ZRQ165B-DHD360 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ165B-DHD360

9-Φ18Q

9-Φ16Q

Plane

3

8

25

ZRC6

ZRC6A

DHD360

COP64

ZRQ165B-DHD360 drill bit features

 

ZRQ165B-DHD360 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth are adopted

 

Nine 18mm alloys. Due to the use of 3 powder discharge troughs and the application of larger alloys, it is relatively

 

The service life and work efficiency of conventional ZRQ165G drill bits have been greatly improved.

 

 

 
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