m.亚洲天堂,国产高清视频在线,亚洲 欧美 国产 动漫 综合,精品第一国产综合精品蜜芽

Main page Products certificates About us Contact
 
Products
 
New Products
Roadheaders
Mining equipment
Rock Tunneling
Shielding equipment
Drilling Rig for Coal Mine
Secondary Transport System
Drilling Rig
Truck-mounted Crane
Special Purpose Vehicle
Electric Parts
Hydraulic element
Typical Cases
 
 
 
Products
 

Introduction

 

Hydraulic Roof Bolter
Large torque, small weight, low noise, high efficiency, drilling a hole with diameter from 27mm to 42mm and 20m depth. The power can be from either the special power pack or the Road Header. It is mainly used for drilling and bolting on the roof of coal roadway, mixed coal-rock roadway and rock roadway. The hardness should be f≤10. The wall bolter is handhold.

Specification

 

 
 
Copyright:Shijiazhuang Coal Mining Machinery Co., Ltd. ICP:09037270
Design by:http://www.sjznet.net