Hard Rock Borehole COP32 90mm Dth Hammer Bit

Brand Name:MIROC
Certification:ISO9001
Model Number:COP32 90mm Dth Hammers Drill Bits
Minimum Order Quantity:1
Delivery Time:5-15 Work Days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
Supplier`s last login times: within 28 hours
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High Efficiency Hard Rock Borehole COP32 90mm Dth Hammers Drill Bits


Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.

Our variety of Down the Hole drill bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life. We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.


Convex facing : The convex face is especially dedicated for hard abrasive rocks.
Flat facing : The flat face is suitable for all types of formation and especially dedicated to changing formation.
Concave facing : The concave facing is especially dedicated for deep depth (hole) drilling.


Carbide button shape selection:

1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button


COP32 DTH Bit Specification

DTH Button BitDiameterButtons and Size (mm)Flushing holeWeight
mminchGaugeFrontkg
COP32853 1/36x134x1224.2
903 5/96x144x1224.5
953 3/46x145x1224.7
1003 8/98x126x1225
1054 1/88x136x1225.3

China Hard Rock Borehole COP32 90mm Dth Hammer Bit supplier

Hard Rock Borehole COP32 90mm Dth Hammer Bit

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