5.5" drilling bits for cop54(DHD350) dth hammers. using on mining and well drilling.
DHD350-140 drill bits are reliable in structure and widely used.
It is one of the most commonly used high pressure drill bit in the market at present.
DHD350 series bits the same with COP54, DHD350,QD55A series,They are structurally universal.
Both of them have two type:
1. Bit without nylon tube: the Bit without nylon tube and the impactor used are more efficient, simpler structure and lower energy consumption.But there are requirements for the operator's proficiency.Product prices are more economical.
2. Bit with nylon tube: the bit with nylon tube and the impactor used in this product has the feature that sediment is not easy to be inverted, which is more convenient to use. However, Hammer's structure is more complicated and the manufacturing cost is higher.
| Specification of mining bits | Diameter |
| 3" dth hammer bits | 90/95/100/105/110 |
| 4" dth hammer bits | 115/120/127/140/150 |
| 5" dth hammer bits | 135/140/146/152/165/178/190/203 |
| 6" dth hammer bits | 152/165/178/190/203/216/219/235 |
| 8" dth hammer bits | 203/216/219/235/254/278/305 |
We have produced all seires dth hammer and bits ; like the copseries , mission series
Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
Product picture:
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 20 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
Product Tags:
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5.5" Carbide DTH Button Bits For Cop54 ( DHD350 ) / Mining / Well Drilling Images
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