Nepal Double layered cylindrical drill

Characteristics of drilling tools:  The small cylinder is cut in first, and the large cylinder drill follows the ring cutting to release the rock confining pressure;  Cutting tooth step crushing and grinding drilling;  Small drilling tools have a high core extraction rate, while large drilling tools are graded and broken together;  Applicable strata: gravel soil, pebble layer, moderately weathered rock layer; 

Product Description

Type chart:

Cutting DiameterOuter Cylinder HeightInner Cylinder HeightOuter Diameter of Inner CylinderCylinder Wall ThicknessNumber of TeethWeight
φ10001200150052020241480
φ12001200150062020271750
φ15001200150072020362320
φ16001200150082020362510
φ18001000130092020422500
φ20008001100102020482500

Note: All units of measurement are in millimeters (mm); The weight unit is kilogram (kg).
Customizable projects:
Customized cutting diameter: Design cutting diameters according to customer needs, such as φ 950, φ 1050, etc., mostly used in conjunction with casing construction;
Customization of cylinder height: Design the cylinder height according to customer needs, such as increasing it to 1500-2000 to increase the single drilling volume and improve construction efficiency;
Strengthening customization of key structures: according to customer needs, various parameters of different parts are strengthened, such as thickening of wall thickness, thickening of bottom plate, etc;
Square head size customization: Customize the drilling tool square head size according to the customer's drilling rod square head, usually 130 × 130, 150 × 150, 200 × 200, etc;
Double tube spacing customization: Customize the double tube spacing according to customer needs;
 

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