www.日本在线播放-www.日本在线-www.日本一区二区-www.日本视频-www.日本色-www.日本精品

Shandong Zhongrui Construction Machinery Co., Ltd official website!

National Service Hotline:
15005366588
ZRQ90-DHD3.5 down-the-hole drill bit
ZRQ90-DHD3.5 down-the-hole drill bit
 
 

ZRQ90-DHD3.5 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ90-DHD3.5

6-Φ14Q

5-Φ12Z

Plane

2

8

4.3

ZRC3.5-DHD3.5

ZRC3.5A-

DHD3.5

ZRQ90-DHD3.5 drill bit features

 

ZRQ90-DHD3.5 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth adopt 6

 

A 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.

 

 

 
主站蜘蛛池模板: 好操| 99自拍视频在线观看 | 演员请就位第一季 | 久久国产精品免费一区二区三区 | 神兵小将第一季免费播放 | 天天操天天干视频 | 国产精品国产三级农村妇女 | 精品三级国产 | 午夜国产精品免费观看 | 国产精品不卡无毒在线观看 | 极品美女国产精品免费一区 | 国产免费资源高清小视频在线观看 | 日韩一级在线视频 | 99热成人精品免费久久 | 99精品视频观看 | 美女伊人 | 一级做a爰| 特黄特色大片免费视频大全 | 亚洲香蕉网久久综合影院3p | 可以免费观看一级毛片黄a 可以免费观看的黄色网址 可以看的黑人性较视频 | 精品视频免费 | 国产一级理论片 | 国产精品国产三级国产普通话对白 | 国产一区二区三区四卡 | 日韩免费视频网站 | 欧美日韩国产最新一区二区 | 精新精新国产自在现拍欣赏网 | 国产乱人伦精品一区二区 | 久久er热这里只有精品免费 | 在线观看日韩欧美 | 国产1卡二卡3卡四卡免费 | 落跑甜心电视剧高清全集免费观看 | 精品视频免费观看 | 亚洲精品老司机综合影院 | 日韩在线观看一区 | 国产一区二区久久久 | 在线国产中文字幕 | 欧美成人高清视频 | 乱中年女人伦中文字幕久久 | 操操操操网 | 97在线免费视频观看 |