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| Categories | DTH Hammer Bits | 
|---|---|
| Brand Name: | New Diamond | 
| Model Number: | DHD350 | 
| Certification: | ISO9001:2008 | 
| Place of Origin: | Hunan, China (Mainland) | 
| MOQ: | Negotiable | 
| Price: | Negotiable | 
| Payment Terms: | L/C, T/T, Western Union | 
| Delivery Time: | 5-8 work days | 
| Packaging Details: | Carton packaging and wooden box packing | 
| Length (except head): | 260mm | 
| Diameter (mm): | 146-200mm | 
| Spline Key Number: | 8 | 
| Number of vents: | 2 | 
| Material: | Alloy Steel | 
| Button shape: | Spherical/Ballistic/parabolic/sharp/falt bottons | 
Description
Hammer DTH drill bits / Down-the-hole caride button bits were used for blast hole drilling. Which is working with DTH hammer, mainly applied in Mining, Marble quarry or well drilling and other construction projects.
DTH Drill Bits are one of our main products. After many years develop, we have rich experience in develop and manufacture high quality DTH hammer drill button bits, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.
Applications
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.
Specifications
| DHD | Head shape | Diameter (mm) | Number of vents | NO X button diamter | weight (KG) | ||
| Toothed | Gauge | Front | |||||
| DHD350 | Concave Face | 146 | 2 | Round Button | 8XØ18 | 4XØ15+3XØ14 | - | 
| Flat Face Bit | 165 | 2 | Round Button+Ballistic Button | 8XØ18 | 9XØ14 | - | |
| DHD350A | Convex Face | 140 | 2 | Round Button+Ballistic Button | 7XØ18 | 4XØ15+3XØ14 | - | 
| Flat Face Bit | 152 | 2 | Round Button+Ballistic Button | 8XØ18 | 8XØ14 | - | |
| Concave Face | 170 | 2 | Round Button | 8XØ18 | 6XØ15+4XØ14 | - | |
| Concave Face | 200 | 3 | Round Button | 9XØ18 | 6XØ16+6XØ14 | - | |
| 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. Price commitment: in order to ensure the high reliability of products, raw material selection are usinggrapefruit brand products; under the same competitive conditions, and not to reduce product technicalperformance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have
quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance
the visibility of enterprises,establish corporate image, we serve customers with the principle of
"preferential prices, good service, reliableproduct quality" principle.

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