五月婷激情-五月婷久久-五月婷六月-五月婷六月丁香-精品国产福利久久久-精品国产福利片在线观看

ZRQ115A1-DHD340 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ115A1-DHD340

8-Φ14Q

6-Φ13Q

Plane

2

8

8.1

ZRC4A,

ZRC4,

DHD340

ZRQ115A1Z-DHD340

8-Φ14Q

6-Φ13Z

Plane

2

8

8.1

ZRQ115A1-DHD340 drill bit features

ZRQ115A1-DHD340 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 8

The 14mm alloy ensures the wear resistance and fracture resistance of the alloy. At the same time, the bit body adopts a special heat treatment process

Technology, effectively reducing the probability of damage such as breakage, chipping, etc., so that the bit body and the alloy life can be effectively matched,

Embodied the characteristics of long life and high efficiency.