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

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 NumberNO.Air HolesGauge ButtonsFront ButtonsWeight(KG)
DHD1120305-412XØ1836XØ16152.0
311-412XØ1836XØ16157.0
330-416XØ1842XØ16165.0
346-416XØ1948XØ16178.0
381-416XØ1948XØ16198.0
NSD12305-412XØ1836XØ16156.0
311-412XØ1836XØ16168.0
330-416XØ1842XØ16180.0
356-416XØ1948XØ16191.0
381-416XØ1948XØ16200.0
NUMA120305-412XØ1836XØ16152.0
311-412XØ1836XØ16158.0
330-416XØ1842XØ16165.0
356-416XØ1948XØ16178.0
381-416XØ1948XØ16195.0
NUMA125305-412XØ1836XØ16170.0
311-412XØ1836XØ16173.0
330-416XØ1842XØ16182.0
356-416XØ1948XØ16191.0
381-416XØ1948XØ16200.0
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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