Low Air Pressure DTH Drilling Tools CIR90 SPM90 DTH Hammer Bit Hot Sell CIR Bits
Description
DTH (Down to Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.
JCDRILL has a comprehensive range of DTH drill bits to match all conceivable applications. Each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured in-house. These are deigned for specific applications for all rock types, hardness's and condition. Bit life and rate of penetration are the most important criteria in selecting the right bit for a particular application.
Application
Specification
| Model Number | 3/3.5,4,5,6,8,10,12 inches | Certification | ISO CE |
| Drill Rock hardness | F=6-20 | Warranty | 1 Year |
| Condition | New | After-sales Service | 7X24hours available |
| Type | Down the hole drill bits | Color | As request |
| Processing Type | Forging | Button shape | Spherical, Ballistic, Semi-ballistic |
| Place of Origin | Hebei, China (Mainland) | Bit face shape | Flat, concave, convex, drop center |
| Brand Name | JCDRILL | Other shanks | COP,DHD,MISSION, SD |
| Usage | Rock drilling | Type | DTH Hammer bits |
| Material | Tungsten Carbide | Machine Type | Drilling Tool |
| Advantages: | high quality and factory prices | Bit face shape | Flat, concave, convex, drop center |
| Application: | Quarry or mining or well drilling | Packing: | Carton and Wooden case |
| Diameter | No. x Button Diameter (mm) | Flushing Holes | Weight | Hammer Application |
| (mm) | Gauge | Front | (kg) |
| 3" Range DTH Bits |
| 85 | 6 × Φ13 | 4 × Φ12 | 2 | 4.5 | HM30 / BR3 / DHD3.5 / IR3.5 / COP34 |
| 90 | 6 × Φ14 | 4 × Φ12 | 2 | 4.7 |
| 95 | 6 × Φ14 | 4 × Φ12 | 2 | 4.9 |
| 100 | 6 × Φ14 | 5 × Φ12 | 2 | 5.0 |
| 105 | 6 × Φ14 | 5 × Φ13 | 2 | 5.5 |
| 4" Range DTH Bits |
| 105 | 6 × Φ14 | 5 × Φ13 | 2 | 9.0 | HM45 / DHD340A / COP44 / SD4 / QL40 / HM4 |
| 110 | 7 × Φ14 | 6 × Φ13 | 2 | 9.2 |
| 115 | 7 × Φ14 | 6 × Φ13 | 2 | 9.5 |
| 120 | 8 × Φ14 | 7 × Φ13 | 2 | 10.3 |
| 127 | 8 × Φ14 | 7 × Φ13 | 2 | 11.5 |
| 5" Range DTH Bits |
| 135 | 7 × Φ18 | 6 × Φ14 | 2 | 15.5 | HM55 / DHD350R / SD5 / QL50 / HM5 |
| 140 | 7 × Φ18 | 7 × Φ14 | 2 | 16 |
| 146 | 7 × Φ18 | 7 × Φ14 | 2 | 16.5 |
| 152 | 8 × Φ18 | 8 × Φ14 | 2 | 17 |
| 165 | 8 × Φ18 | 8 × Φ16 | 2 | 18 |
| 6" Range DTH Bits |
| 152 | 8 × Φ18 | 7 × Φ16 | 2 | 24 | HM65 / DHD360 / COP64 / SD6 / QL60 / HM6 |
| 165 | 8 × Φ18 | 8 × Φ16 | 2 | 25 |
| 171 | 8 × Φ18 | 8 × Φ16 | 2 | 27 |
| 190 | 9 × Φ18 | 9 × Φ16 | 2 | 29 |
| 203 | 9 × Φ18 | 11 × Φ16 | 2 | 33 |
| 8" Range DTH Bits |
| 203 | 10 × Φ18 | 10 × Φ16 | 2 | 35 | HM85 / DHD380 / COP84 / SD8 / QL80 / HM8 |
| 216 | 10 × Φ18 | 12 × Φ16 | 2 | 49 |
| 241 | 12 × Φ18 | 18 × Φ16 | 2 | 64 |
| 254 | 12 × Φ18 | 21 × Φ16 | 3 | 71 |
| 305 | 12 × Φ18 | 29 × Φ16 | 4 | 95 |
| 12" Range DTH Bits |
| 305 | 12 × Φ18 | 36 × Φ16 | 4 | 156 | HM1120 / DHD1120 / SD12 / NUMA120 / NUMA125 |
| 311 | 12 × Φ18 | 36 × Φ16 | 4 | 168 |
| 330 | 16 × Φ18 | 42 × Φ16 | 4 | 180 |
| 356 | 16 × Φ19 | 48 × Φ16 | 4 | 191 |
| 381 | 16 × Φ19 | 48 × Φ18 | 4 | 200 |
Delivery
FAQ
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We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
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