6" DTH bits Down The Hole Drilling For Mining Blast Hole Drilling

Detailed Product Description: 

High pressure mining blast hole drill bits   
 

Roschen DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions.

Features:  

1. Applicable hard,very hard and medium soft rock formations.
2. Use the most high quality carbides
3. Can match to the original hammer   
4. Strict quality warranty and compensation rules
5. Good flushing effect to ensure high drilling rate
6. Reliable quality, long service life, rare abnormal breakage during service life.
 

Roschen supply top quality and cheap price DTH Bits which diameters ranging are between 76mm to 500mm
 

DTH bit face design: Flat face, convex face, concave face 
 

DTH button bit tungsten carbides insert style: Hemi-spherical, Parabolic, and Ballistic. 
 

Roschen DTH hammer bits shank are suitable for:  
DHD340A, DHD350R, DHD360, DHD380, DHD112; 
Cop32, Cop34, Cop44, Cop54, Cop64, Cop84; 
Mission 40, Mission 50, Mission 60, Mission80; 
SD4, SD5, SD6, SD8, SD10, SD12; 
Numa100, Numa120, Numa125
QL40, QL50, QL60, QL80, March120, etc.