Hunan New Diamond Construction Machinery Co., Ltd.
 
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| Place of Origin: | Hunan, China (Mainland) |
| Brand Name: | New Diamond |
| Certification: | ISO9001:2008 |
| Model Number: | NUMA120 |
| Minimum Order Quantity: | Negotiable |
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| Price: | Negotiable |
| Packaging Details: | Carton packaging and wooden box packing |
| Delivery Time: | 5-8 work days |
| Payment Terms: | L/C, T/T, Western Union |
| Supply Ability: | According to order quantity |
| Type: | Drill Bit | Processing Type: | Forging |
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| Use: | Ore Mining | Color: | Required |
| Button Shape: | Spherical/Ballistic/parabolic/sharp/falt Bottons | Usage: | Quarrying& Ore Mining& Well Drilling |
| High Light: | hard rock drill bits,ballistic button bits,NUMA120 DTH Drill Bits |
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Hunan New Diamond offers top quality DTH hammers and bits which have been tested in the hardest rock formation. Our bits use quality hardened steel alloy for the bit body and premium quality tungsten carbide buttons. With superb performance and long life span. Our bits won high reputation among our customers.
1. Button Shape: Spherical,Semi-ballistic,Ballistic.
2. Durable performance, wear resistant and withstanding large impacting force.
3. Long life span.
5. Fast delivery time.
Applications
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
| NUMA series | Head shape |
Diameter mm |
Number of vents | NO X button diamter | weight (KG) | ||
| Toothed | Gauge | Front | |||||
| NUMA120 | Convex surface | 350 | 4 | Round Button | 16XØ20 | 32XØ18+13XØ16 | |
| Convex surface | 450 | 4 | Round Button | 20XØ20 | 48XØ18+25XØ16 | ||
| Convex surface | 500 | 4 | Round Button | 24XØ20 | 90XØ18 | ||
| WE can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape. | |||||||
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. Low cost.
Contact Person: Rick.liao
Tel: +8618692219720
