Pneumatic Down–the-hole drill machines are mainly used for perforation working during stone quarrying. For drilling the holes of introducing the diamond wire, with features of easy operation, high working efficiency and easy to converage the holes.

Characteristics :

1. The drill is equipped with pneumatic rotation head which combined with the hole hammer permits drilling linearity to maintained, reaching considerable depths at high penertration speeds.
2. The support coloum has special fixing system with a spherical joint and an anchoring down jack which permits drilling in all directions.
3. Permit the drill height from the ground to kept to a minimum, in the case of horizontal drill.
4. Lightness of the structure are easy for handling and transportation.

(Photos for Pneumatic DTH drill machine and accessories )

( Rock Drill Head   )

 (DTH drill hammer bits)

 (DTH drill hammer bits)

Except for the pneumatic DTH drill machine, we also focus on manufacturing diamond wire and wire saw machine for stone quarry cutting work as well, with detailed photos below:

Quanzhou Keen Diamond Tool Co., Ltd. is one of the major professional manufacturer and exporter of stone quarry machinery (full set equipments and fittings of wire cutting system for stone quarry) and series diamond tools for ornamental stone working & quarry industry as well as construction industry here in China.

Keentool in possession of strong technical force of metal powder metallurgy, diamond research, mechanical design, Mechatronics electrical control and quality control; Skillful workers as well as advanced equipments and good procedure of production. Through years of research and development, KEENTOOL built up a complete particular and advanced technology of quarry wire saw machines, diamond wire, diamond saw blade, diamond segments, diamond core drill bits and diamond fickert abrasives etc. Meanwhile, KEENTOOL holds it's own stone quarries and factories where to be used for doing tests for new stone machinery and diamond tools.

Our products are mainly in fields as following
1) Full set equipments and tools of wire cutting system for stone quarry
2) Diamond wire for stone quarry, block squaring and contouring
3) Diamond Tools for Stone Cutting, Grinding, Polishing and Drilling
4) Diamond tools for application of other building materials' cutting, grinding, polishing and drilling   

Rock Drill Head