Code No.: NUMA100-305
Diameter: 305mm
Air Holes: 3
Gauge Buttons: 12
Front Buttons: 32
Carbide Design: Dome
Face Design: Concave
Shank Type: NUMA
Rock drilling tools factory Bloom manufactures 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. shank adaptor is the most important part of rock driling tools , which will decide rock drill\'s drilling efficiency and cost.
Rock drill bits Shank type: NUMA120; and DTH hammer bits hole diameter: 3", 4", 5", 6", 8"(85mm-350mm).
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.
Contact: Chris Li
Phone: 13867850196
E-mail: sales@bloommachinery.com
Whatsapp:+86 13867850196
Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province
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