成人午夜精品无码区久久青龙-成人午夜精品无码区久久樱花影视-成人午夜精品无码区毛片四季视频-成人午夜精品无码区全集观看-成人午夜精品无码试看120秒-成人午夜精品无码网站

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.