KJ421 double arm full hydraulic hard rock blasting drilling machine for sale/tunnel drill jumbo

1.KJ421 double arm hydraulic rock drilling rig is a underground drilling machine , which is designed for 16-68m2 cross section in underground mining operations.

2. Robust universal drilling boom creates ideal fracture surface drilling coverage. drilling boom angle can roll-over 360degree, make sure the drill to locate the accurate drilling pistion fast and easily. 

3.The layout of components provides excellent vision for the operator in drilling and travelling. Powerful and well balanced  4wheels driven chassis allows the drill to move through limited space and tough terrain in the mines. Duo-circuit and enclosed multo-disc packing and emergency brake ensure safety.

4. Field proven high frequency hydraulic drifter delivers high performance. Trapezoid shaped percussion piston optimizes shock 

wave transfer efficiency, enhancing penetration and decrease drilling consumables costs. 

5. Comfortable operator station provides safe working condition. Many automatic features simplified the drilling control and 

helps the miners to concentrate on fast and accurate drilling. 

6. All service points are easily accessible, which simplifies daily routine maintenance.

We will provide package in accordance with your request and the products will be delivered after 15-35 working days.

  The products provided by us is of 1 year warranty, and on-line service will be supplied by us in time whenever you have any problem or question about the products you want to purchase or have purchased from us.

Our Company:

1.  Shaanxi Kaishan Mechanical & Electrical Equipment Co., Ltd. is located in a

     Beautiful ancient City - Xi'an. Since founded more than 10 years ago, our

     company has accumulated much experience in the business of air compressors

     and drilling rig machines

2.  National Free-inspection Product,Have passed ISO9001 certification.

3.  Good Service, competitive price, high quality, fast shipping and perfect after

     sale service.

Welcome to visit our factory and would like to start the cooperation with you in the near future.

Why choose us

1.We are the public company,all the products can ensure the quality.

2.100% original spare parts can be supplied.

3. Reliable after-sales service.

4. Reasonable and competitive price 

5. Warranty: 1 year.

6.Engine Maintenance Center in most of the countries