Various Models Conical Rock Drilling Auger Bucket With Round Shank Chisel
Feature:
 Located by pilot, conical structure drilling into the rock;
 Double cutter bears uniform force and can avoid inclined hole ;
 Double spiral easy to carry soil, but single spiral is easy to dump spoil when meeting cohensive soil;
 Applicable layers: pebble,mudstone,sandstone layer,medium weathered rock, bedrock;
|  			 Cutting Dia.  			 |  			 			 Spiral HIT.  			 |  			 			 Spiral Pitch  			 |  			 			 Spiral THK.  			 |  			 			 Spiral OD.  			 |  			 			 Center Tube OD.  			 |  			 			 Teeth No.  			 |  		
|  			 φ600  			 |  			 			 1200  			 |  			 			 600+400  			 |  			 			 30+20  			 |  			 			 550  			 |  			 			 219  			 |  			 			 15  			 |  		
|  			 φ800  			 |  			 			 1400  			 |  			 			 600+400  			 |  			 			 30+20  			 |  			 			 750  			 |  			 			 245  			 |  			 			 21  			 |  		
|  			 φ900  			 |  			 			 1400  			 |  			 			 600+400  			 |  			 			 30+20  			 |  			 			 850  			 |  			 			 245  			 |  			 			 22  			 |  		
|  			 φ1000  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 30+20  			 |  			 			 950  			 |  			 			 245  			 |  			 			 23  			 |  		
|  			 φ1200  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 30+30  			 |  			 			 1150  			 |  			 			 245  			 |  			 			 25  			 |  		
|  			 φ1500  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 30+30  			 |  			 			 1450  			 |  			 			 273  			 |  			 			 32  			 |  		
|  			 φ1600  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 30+30  			 |  			 			 1550  			 |  			 			 273  			 |  			 			 34  			 |  		
|  			 φ1800  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 35+30  			 |  			 			 1750  			 |  			 			 273  			 |  			 			 38  			 |  		
|  			 φ2000  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 35+30  			 |  			 			 1950  			 |  			 			 273  			 |  			 			 38  			 |  		
|  			 φ2200  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 35+30  			 |  			 			 2150  			 |  			 			 273  			 |  			 			 40  			 |  		
|  			 φ2500  			 |  			 			 1500  			 |  			 			 600  			 |  			 			 35+30  			 |  			 			 2450  			 |  			 			 273  			 |  			 			 40  			 |  		
Remark : The length is in milimeters, weight in kilograms.
Customizable Items:
 Cutting Diameter Custom : various cutting diameter based on demand, like φ620,φ850 etc.
 Spiral Height Custom : design as demand such as heightening spiral to increase the efficiency for drilling more once.
 Spiral Pitch Custom : adjust the spiral pitch according to different layers;
 Key Component Reinforce Custom : reinforce  auger to extend life cycle;
 Kelly Box Custom : custom kelly box size based on the kelly bar, like 130*130, 150*150 and etc;
