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ZRQ100-CIR90 low wind pressure down-the-hole drill bit
ZRQ100-CIR90 low wind pressure down-the-hole drill bit
 
 

ZRQ100-CIR90 series drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ100

6-Φ14Z

3-Φ12Z

Convex surface

3

6

4.5

ZRC3.5-CIR90

ZRC3.5A-CIR90

2-Φ13Z

 

Model features:

 

ZRQ100 drill bit is a conventional low wind pressure 100 drill bit, which is matched with impactors such as ZRC3.5-CIR90, ZRC3.5A-CIR90, and CIR90.

 

 
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