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Hunan New Diamond Construction Machinery Co., Ltd.
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Professional Rock Hammer Drill Bits 12'' / Rock Drill Tools For Well Drilling

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Hunan New Diamond Construction Machinery Co., Ltd.
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Professional Rock Hammer Drill Bits 12'' / Rock Drill Tools For Well Drilling

Brand Name : New Diamond

Model Number : DHD1120/NSD12/NUMA120/NUMA125

Certification : ISO9001:2008

Place of Origin : Hunan, China (Mainland)

MOQ : Negotiable

Price : Negotiable

Payment Terms : L/C, T/T, Western Union

Supply Ability : According to order quantity

Delivery Time : 5-8 work days

Packaging Details : Carton packaging and wooden box packing

THE Drill Head Diameter(mm) : 305mm-381mm

NO.Air Holes : 4

Use : Well Drilling/rock-cut

Weight(KG) : 152.0KG-200.0KG

Material : Alloy Steel

Bit face : Center drop/Flat/convex/concave/double gauge face bits

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Description

DTH bits are used for blast hole drilling and water well drilling project.Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,Marble quarry or well drilling and other construction projects.

Down the hole hammers are connected with down the hole bits to do the drilling works. New Diamond uses high quality steel and the best level tungsten carbide as the raw material,with it's special heating treatment technique and advanced carbide inserting technique ,the bits perform well even on the hard rock formations and save the energy to a maximum limit at the same time.

Applications

It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.

Specifications

THE Drill Head Diameter(mm) Spline Key Number NO.Air Holes Gauge Buttons Front Buttons Weight(KG)
DHD1120 305 - 4 12XØ18 36XØ16 152.0
311 - 4 12XØ18 36XØ16 157.0
330 - 4 16XØ18 42XØ16 165.0
346 - 4 16XØ19 48XØ16 178.0
381 - 4 16XØ19 48XØ16 198.0
NSD12 305 - 4 12XØ18 36XØ16 156.0
311 - 4 12XØ18 36XØ16 168.0
330 - 4 16XØ18 42XØ16 180.0
356 - 4 16XØ19 48XØ16 191.0
381 - 4 16XØ19 48XØ16 200.0
NUMA120 305 - 4 12XØ18 36XØ16 152.0
311 - 4 12XØ18 36XØ16 158.0
330 - 4 16XØ18 42XØ16 165.0
356 - 4 16XØ19 48XØ16 178.0
381 - 4 16XØ19 48XØ16 195.0
NUMA125 305 - 4 12XØ18 36XØ16 170.0
311 - 4 12XØ18 36XØ16 173.0
330 - 4 16XØ18 42XØ16 182.0
356 - 4 16XØ19 48XØ16 191.0
381 - 4 16XØ19 48XØ16 200.0
WE can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.

Feature Advantage

1. Long life span: the wear-resist of tungsten carbides is 10-20 times higher compared with other similar materials, which greatly extends the life of the carbide bits;
2. High drilling efficiency: the high grade hardness of the carbides can always stay sharp, which could increase the drilling speeds too;
3. New Diamond's bits are widely used in different rock formations like carbonate rock,limestone,chalk rock, clay rock,siltstone and sandstone;
4. It can greatly reduce the drilling cost, because of its high drilling speed and life span, which reduces the times to changes bits in the drilling service.


Product Tags:

down the hole bits

      

rock boring bits

      
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