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ZRQ203B-DHD380 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ203B-DHD380

10-Φ18Q

15-Φ16Q

Concave surface

2

10

46.2

ZRC8A

ZRC8

DHD380

COP84

ZRQ203B-DHD380 drill bit features

ZRQ203B-DHD380 drill bit is a general purpose drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth use 10

The 18mm alloy ensures the wear resistance and fracture resistance of the alloy. At the same time, the large head adopts a concave layout, which effectively protects

The straightness of the drill bit in the drilling process is verified. The drill body adopts a special heat treatment process, which effectively reduces its breakage.

The probability of damage such as cracking and chipping makes the drill bit body and the alloy life match effectively, which reflects the high life and

High efficiency features.