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

Shandong Zhongrui Construction Machinery Co., Ltd official website!

National Service Hotline:
15005366588
ZRQ115C1-DHD340 high wind pressure down-the-hole drill bit
ZRQ115C1-DHD340 high wind pressure down-the-hole drill bit
 
 

ZRQ115C1-DHD340 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ115C1-DHD340

7-Φ16Q

6-Φ13Q

Plane

2

8

8.2

ZRC4

DHD340

COP44

ZRQ115C1Z-DHD340

7-Φ16Q

6-Φ13Z

Plane

2

8

8.2

ZRQ115C1-DHD340 drill bit features

 

ZRQ115C1-DHD340 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth are adopted

 

Seven 16mm alloys improve the wear resistance and fracture resistance of the alloy, and the bit body adopts 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: 久久精品国产99精品最新| 国产伦理一区二区三区| 天天干天天爱天天射| 久久九九综合| 美女二区| 一级毛片免费在线| 色天使视频| 久久免费精品视频| 免费a级毛片网站| 日韩在线二区| 国产精品久久久久一区二区三区| 亚洲 日本 欧美 中文字幕001| 欧美麻豆久久久久久中文| 日韩狠狠操| 久久综合九色综合77| 男女黄色毛片| 国产色网站| 色综合网站在线| 四虎影视成人精品| 久久久久久穴| 亚洲国产系列久久精品99人人 | 国产一级毛片夜一级毛片 | 欧美日本一道免费一区三区| 日本成年人视频网站| 免费观看一级成人毛片| 国产亚洲综合久久| 久久综合丁香激情久久| 中文字幕在线看视频一区二区三区| 激情婷婷色| 天天操天天摸天天干| 国产精品久久久久久久人人看| 亚洲国产综合久久精品| 中文字幕一区久久久久| 一级啊片| 伊人久久大香线蕉亚洲| 久久99国产精品久久99果冻传媒| 亚洲午夜久久久久中文字幕久| 老妇毛片久久久久久久久| 夜夜cao| 七七久久综合| 国产不卡a|