国产乱子伦高清露脸对白-亚洲人成精品久久久久桥本-国产 欧美 亚洲 中文字幕-国产又粗又猛又爽又黄的视频免费-无码国模大尺度视频在线观看-天天免费看av-亚洲色成人网站www永久男男-午夜宅男在线永久免费观看网-美国一级黄色毛片-偷窥自拍青青草-亚洲美女爱爱-国精品人妻无码一区二区三区喝尿-视频在线一区二区三区-中文字幕在线观看国产-91大神精品在线

Shandong Zhongrui Construction Machinery Co., Ltd official website!

National Service Hotline:
15005366588
ZRQ152-DHD360 high wind pressure down-the-hole drill bit
ZRQ152-DHD360 high wind pressure down-the-hole drill bit
 
 

ZRQ152-DHD360 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ152-DHD360

8-Φ16Q

4-Φ14Q

Concave surface

2

8

22.5

ZRC6A

ZRC6

DHD360

COP64

4-Φ16Q

ZRQ152-DHD360 drill bit features

 

ZRQ152-DHD360 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth adopt 8

 

A 18mm alloy ensures the wear resistance and fracture resistance of the alloy. At the same time, the big head adopts a flat layout, which is effective

 

Ensure the adaptability of the drill bit in various working conditions. The drill body adopts a special heat treatment process to effectively reduce 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.