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Numa120-381DTH drill Bit

DTH drill Bit Numa120-381
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.

Quantity:
  • 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.

 DTH drill bit numal120

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.

 


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