5" High air pressure button bits HD45A-127mm using on small well
drilling or mining.
DHD340-130 series of drill bits are reliable in structure and
It is one of the most commonly used high pressure drill bit in the
market at present.
HD45A series the same with COP44, DHD340,QD45A DTH series,They are
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
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
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
4. Rock drilling tools are exported throughout the world. Main
market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay,
Iran, Philippines, Thailand, India, etc.