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UltraMatrix Core Bit HQ3 Double Height Diamond Layer Imprenated
Diamond Core Drill Bit
The impregnated diamond bit is used for cutting holes in medium to
ultra-hard formations. The crown is made up of a metal powder and
diamond matrix that wears away during the drilling process and
exposes new layers of diamonds, renewing the cutting points. The
combination of diamond and proprietary matrix result in the optimal
performance of a Roschen™ impregnated bit.
New Stage Diamond Coring Bits:
Roschen has a well known history of innovation and the Stage
waterway design pushed the envelope by allowing then tallest crown
height in the industry. With a continued focus on our customer,
Roschen have
never stopped improving our patented design.
Size:
Roschen bits are available in all standard drilling sizes as well
as a number of region-specific sizes.
Crown Height:
Roschen offers three different crown impreg depths of 6mm, 9mm,
12mm, and 25mm (with the patent-pending Stage waterway). The taller
crown heights provide improved bit stability and reduced
vibrations, enhancing bit life and performance.
Gauge:
Roschen bits are available in four standard gauge configurations:
Standard gauge (S)
Equal to reaming shell gauge (R)
Less than reaming shell gauge (-R)
Oversized OD (OS, INCHES)
Waterways:
Various waterways are available for diamond impregnated bits.
Differing waterways allow for better flushing in various ground
conditions and drilling systems.
Matrix bond:
Roschen impregnated bits matrices can be ordered in Standard,
Abrasive, and Competent formulations. Abrasive bits are for
broken, abrasive drilling conditions or for harder rock with
broken, abrasive conditions. Competent bits are free-cutting for
fast penetration in very hard, competent rock or for use on
lower-powered rigs and in geo-technical applications.
Roschen recognizes that drilling conditions are often encountered
where formations change repeatedly within a very short interval.
Under such circumstances, the lowest bit which will cut the hardest
of the expected formations is recommended, and some discretion
should be exercised to restrict penetration rates in any abrasive
rocks encountered to protect the bit from excessive wear rates.
However, if hole deviation becomes a problem, a higher bit,
combined with reduced penetration rates, may contribute to bringing
it under control.
Specifications:
Specifications | Crown Height | |
16mm | 25mm | |
AQ | yes | yes |
BQ | yes | yes |
NQ | yes | yes |
NQ3 | yes | yes |
HQ | yes | yes |
HQ3 | yes | yes |
PQ | yes | yes |
PQ3 | yes | yes |
CORE BARRELS, BITS, RODS, CASING AND TOOLS
Roschen offers a variety of high quality coring drilling systems
which include core barrels, core diamond drill bits, drill rods,
casings and more.
Roschen Wireline Core Barrel System Sizes:
SIZE | CORE Ø | HOLE Ø |
AQTK | 35.5 mm (1-3/8 in) | 48 mm (1-7/8 in) |
BQTK | 36.4 mm (1-7/16 in) | 60 mm (2-3/8 in) |
BQTK | 40.7 mm (1-5/8 in) | 60 mm (2-3/8 in) |
NQ | 47.6 mm (1-7/8 in) | 75.7 mm (3 in) |
NQTK (NQ2") | 50.6 mm (2 in) | 75.7 mm (3 in) |
NQ3 | 45 mm (1-3/8 in) | 75.7 mm (3 in) |
HQ3 | 63.5 mm (2-1/2 in) | 96 mm (3-3/8 in) |
HQ3 | 61.1 mm (2-3/8 in) | 96 mm (3-3/8 in) |
PQ | 85 mm (3-3/8 in) | 122.6 mm (4-7/8 in) |
PQ3 | 83 mm (3-1/4 in) | 122.6 mm (4-7/8 in) |
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For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com