Rock hardness F=6-20 Hole diameter 80-115mm Hole depth 25m or more Pull force 17kN,torque 980Nm rotary speed 0-65rpm

Aggregate Quarrying,Bluestone Quarrying,Limestone Quarrying,Marble Quarrying, Mining,including Coal Overburden Excavation, Crawler Mounted SMMEY120 / KY120 down the hole drill rig/DTH surface Drill Rig,hole depth 25m or more  Hole Diameter 80-115mm 

Crawler mounted down-the-hole drilling rig,ideal for Marble quarrying,also well accepted in aggregate or limestone quarrying,mining operations,including coal overburden excavation.

They're mechanized, self propelled, heavy duty drill rig.

Features

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• Crawler type undercarriage with track oscillation system
• Simple one-man operated rig, easy to operate and easy to maintain
• Single section boom system
• Hydraulic cylinder operated feed system mounted in steel feed beam
• The pneumatic operated hydraulic power pack for hydraulic cylinders, ensures high
performance and excellent availability.
• Hydraulic operated rotary head
• Built for use with QCZJ90,QCW930 down-the-hole hammer

25-30M Aggregate Bluestone Limestone Quarrying or Mining Applications Crawler Mounted DTH Drill Rig SMMEY120 KY120