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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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8 Spline DTH Threaded Button Bits With Ballistic / Parabolic Button Shape

Hunan New Diamond Construction Machinery Co., Ltd.
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8 Spline DTH Threaded Button Bits With Ballistic / Parabolic Button Shape

Brand Name : New Diamond
Model Number : DHD380
Certification : ISO9001:2008
Place of Origin : Hunan, China (Mainland)
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T, L/C,, Western Union
Supply Ability : According to order quantity
Delivery Time : 3-5 days for sample
Packaging Details : Carton packaging and wooden box packing
Spline : 8
Processing Type : Forging
Tail shank length (without head) : 350mm
Head diameter of bit : 203-305mm
Button shape : Spherical/Ballistic/parabolic/sharp/falt bottons
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All of your inquiry will be attentioned promptly!
he fellows are some detail parameters of our products,in order to save your time,we just show you the datas.

NEW DIAMOND Product features
Fast drilling! High efficiency, low labor intensity of workers! The high air pressure DTH Drill is matched with the high air pressure down hole drilling rig, which is suitable for drilling hard rock with larger impact energy. The structure features are: fast drilling speed, good drainage effect and good cooling.

Here we can help you find the most suitable one to meet your needs.


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


DHD seriesHead shape



Number of ventsNO X button diamterweight (KG)
DHD380Convex Fsce2032Round Button10XØ1815XØ16-
Flat Face Bit2163Round Button12XØ1814XØ16-
Flat Face Bit2542Round Button12XØ1828XØ16-
Convex Fsce3053Round Button15XØ1812XØ18+24XØ16-
DHD380AConcave Face2032Round Button10XØ184XØ18+10XØ16-
Convex concave2542Round Button12XØ188XØ18+18XØ16-
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.

The appearance of the picture is different from that of the actual product, and the actual product is the standard.

Product Tags:

tapered button bits


button drill bit

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8 Spline DTH Threaded Button Bits With Ballistic / Parabolic Button Shape Images

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