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NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
Specifications
Brand Name :
MIROC
Model Number :
Cop, DHD, Mission, Ql, SD, CIR, BR
Certification :
ISO
Place of Origin :
CHINA
MOQ :
1
Supply Ability :
3000
Delivery Time :
20-30
Model NO. :
Numa100-305
Type :
Drill Bit
Material :
Carbon Steel
Usage :
Well Drilling, Ore Mining
Face Design :
Flat Face, Convex Face, Concave Face
Description

Products Description

NUMA100 bit refers to a large-diameter Down-The-Hole (DTH) drill bit, typically around 9-7/8" to 15" (250mm to 380mm), designed to fit the NUMA Challenger 100 DTH Hammer for heavy-duty rock drilling in mining, construction, and water well drilling, known for high penetration rates in various rock conditions.


Key Characteristics:
Type: DTH Button Bit (Down-The-Hole).
Compatibility: Designed for NUMA 100 series hammers and interchangeable with bits for other brands like Atlas Copco, Ingersoll-Rand, and Mission.
Sizes: Common sizes include 10-inch (254mm), 11-inch (280mm), and 12-inch (305mm).
Design: Features carbide (button) inserts on the face for cutting hard rock, with various face designs (flat, concave, convex) for different rock types.

Application: Used for creating large diameter holes in challenging geological formations.


In essence, the "NUMA100 bit" is the specialized cutting tool that pairs with the NUMA100 DTH hammer to efficiently drill deep, large-diameter holes in rock.

Head Shape Head Diameter, mm

Shank Length,

mm

 Spline Port holes

Button qty

pcs x dia mm

 Button Type Gauge Buttons Front Buttons

Weight,

kg
concave face 254 375 10 2 12×019 Domed 8×018 19×016 89
concave face 275 375 10 2 12×019 Domed 8×018 20×016 93.5
concave face 305 375 10 3 15×019 Domed 27×018 8×016 103.5
concave face 325 375 10 3 15×019 Domed 27×018 9×016 112
concave face 350 375 10 4 16×019 Domed 32×018 14×016 121
concave face 400 375 10 4 16×019 Domed 40×018 25×016 146.5


NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling


Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory


NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

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NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

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Product Detail
Brand Name :
MIROC
Model Number :
Cop, DHD, Mission, Ql, SD, CIR, BR
Certification :
ISO
Place of Origin :
CHINA
MOQ :
1
Supply Ability :
3000
Contact Supplier
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling
NUMA100 Large Size Excellent Straightness DTH Hammer Bit with Carbide Inserts for Mining Borehole Drilling

KSQ Technologies (Beijing) Co. Ltd

Verified Supplier
13 Years
beijing, beijing
Since 2009
Business Type :
Manufacturer, Exporter
Main Products :
Rock Drilling Tools, DTH Drilling Tools, Button Drill Bit
Total Annual :
3000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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