Product Description
Down The Hole Button Bits for Water Well and Oil Drilling DTH Mining bit
Made with high quality of raw material through special heat treatment, especially, tungsten carbide of tapered button
bits are from Boart long year, widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying.
At now, we are exporting the huge qty of Q7- 33- 7 22-80, Q9 -45 -12 22- 71 for Indian quarry and Norway, Finland quarry.
Diameter of bits from 30mm to 50mm with 4, 6, 7, 11, 12 degree, premium alloy tapered drill steel with Hexagonal. 22mm
and Hexagonal. 25mm, The deliver capacity are very strong and can completely meet customer's requirements on delivery
design, number of buttons is 4, 5, 6, 7, 8, 9, 7 buttons is very popular for hold held (short holes ) and blast drilling system.
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| Product Name: |
DTH drill bits |
| Description: |
DTH drill bits are used for blast hole drilling and water well drilling projects.
Working with DTH hammer, mainly applied in Mining,
Marble quarry or well drilling and other construction projects. |
| Material: |
High quality carbide + High quality carbon steel |
| MOQ: |
5pcs |
| Compatibility Series: |
COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc |
| Specification: |
Diameter: (mm) |
Weight: (kg) |
| Low air pressure DTH bits CIR type |
68 ~ 200 |
2.6 ~ 48 |
| Middle air pressure BR & COP type |
76 ~ 110 |
3.8 ~ 15 |
| 3 inch high Air pressure DTH bits |
85 / 90 / 95 / 100 / 105 |
4.2 ~ 5.5 |
| 4 inch high Air pressure DTH bits |
105 / 110 / 115 / 120 / 127 |
9 ~ 12 |
| 5 inch high Air pressure DTH bits |
133 / 140 / 146 / 152 / 165 |
15 ~ 18.5 |
| 6 inch high Air pressure DTH bits |
152 / 165 / 178 / 190 / 203 |
26 ~ 36 |
| 8 inch high Air pressure DTH bits |
195 / 203 / 216 / 254 / 305 |
33 ~ 95 |
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