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
ZRQ203B-DHD380 high wind pressure down-the-hole drill bit
ZRQ203B-DHD380 high wind pressure down-the-hole drill bit
 
 

ZRQ203B-DHD380 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ203B-DHD380

10-Φ18Q

15-Φ16Q

Concave surface

2

10

46.2

ZRC8A

ZRC8

DHD380

COP84

ZRQ203B-DHD380 drill bit features

 

ZRQ203B-DHD380 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 10

 

The 18mm alloy ensures the wear resistance and fracture resistance of the alloy. At the same time, the large head adopts a concave layout, which effectively protects

 

The straightness of the drill bit in the drilling process is verified. The drill body adopts a special heat treatment process, which effectively reduces 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.

 

 

 
主站蜘蛛池模板: 亚洲国产高清在线精品一区 | 色六月婷婷 | 亚洲成人黄色在线 | 久久亚洲精品无码 | 免费国产在线观看 | 一级有奶水毛片免费看 | 欧美日韩一区二区三 | 欧美成年人视频 | 亚洲毛片免费观看 | 欧洲精品一区二区三区 | 欧美日韩高清在线 | 草草青青| 色综合中文字幕天天在线 | 黄色影片免费在线观看 | 在线www 天堂网在线 | 视频一区 国产 | 日本精品在线视频 | 亚洲伦理一区二区三区 | 日韩国产精品欧美一区二区 | 亚洲视频一区二区三区四区 | 在线不卡亚洲 | 一二三区在线观看 | 精品卡1卡2卡三卡免费网站视频 | 大伊香蕉精品视频在线 | 热99精品在线 | 亚洲第一香蕉视频 | 国产成人综合久久亚洲精品 | 欧美日韩一区二区三区免费 | 四虎影院www | 亚洲人成影网站~色 | 欧美韩国日本在线观看 | 日本男女网站 | 四虎国产永久在线精品免费观看 | 色欲麻豆国产福利精品 | 精品精品国产高清a级毛片 精品精品国产yyy5857香蕉 | 日韩毛片网 | 日本私人网站在线观看 | 欧美人与动人物xxxx | 国产日韩91 | 三级在线观看视频网站 | 欧美专区一区二区三区 |