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Roschen Global
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| Quantity: | |
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Numa120-381
ROSCHEN
Numa120-381
Product Description
DTH drill Bit Numa120-381
Product Description
CODE NO. | Numal 120-381 |
Shank type | numal 120 |
Diameter | 381 mm |
air holes | 2 |
gauge buttons | 12*18mm |
face buttons | 36*16mm |
Bit face type | Drop center face |
carbide design | Dome |
approx. weight | 152Kgs |
NUMA shank DTH drill bit with concave face, dome carbide buttons for blasting bore holes, water well drilling.
Rock drill bits Shank type: NUMA120; and DTH hammer bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).
ROSCHEN is the manufactures of Rock drilling tools. Our high quality DTH drill Bits with NUMA shank type are available in a various range of sizes and with a number of custom design features for optimum performance in a rock formation, which are designed to match all conceivable applications for water well drilling, stone quarrying, mining and construction.
Concave Face
The all around application bit face designed specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
