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Press Release
November 2003
Rockmore International
New Rockmore DTH Carbide Design
Accelerates Penetration, Increases Bit Life
Rockmore International introduces its new “Multi-Dome” carbide design
for DTH drill bits that provides faster bit-penetration rates while ensuring greater
overall insert life.
The Multi-Dome profile was developed based on extensive field testing in extreme mining,
construction, and water-well drilling environments. Its unique dual-diameter design
enhances bit performance by improving rock-chip geometry, leading to more efficient
chip flushing. Two radii on the insert dome increase carbide life, while extended dome
height ensures faster bit penetration rates.
The Multi-Dome carbide is available for DTH bits up to 10 inches (254 mm) in diameter
to provide improved performance in a variety of rock conditions.
Rockmore International is a global manufacturer of rock-drilling tools, serving
the mining, construction, and water-well sectors for over 50 years.
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