2022 China New Design Button Bits Rock Drilling - Concentric Casing System With Ring Bit – Spark
2022 China New Design Button Bits Rock Drilling - Concentric Casing System With Ring Bit – Spark Detail:
Application
Applied to over burden formation with complex topographic and geological conditions, such as gravel, fissured formation, boulder, landfill of construction etc.
Specification
| D | h | H | C | G | ||||
| Specification | O. D. of Casing Tube (mm) | I.D. of Casing Tube(mm) | Wall thickness of casing (mm) | Max. O.D. of pilot bit (mm) | Ring Bit O.D. (mm) | Max. O.D. of Normal Bit (mm) | Hammer Type | Weight(kg) |
| TOP hammer type | ||||||||
| P76/7-39 | 76 | 62 | 7 | 57 | 88 | 39 | R32 | 3.2 |
| P89/8-58 | 89 | 73 | 8 | 70 | 100 | 58 | T38 | 5.8 |
| P114/9-84 | 114 | 94 | 10 | 92 | 126 | 84 | T45 | 7.5 |
| P127/10-93 | 127 | 107 | 10 | 105 | 142 | 93 | T45 | 10 |
| P140/10-97 | 140 | 120 | 10 | 116 | 161 | 97 | T45,T51 | 15 |
| DTH hammer type | ||||||||
| P114/9-84 | 114 | 94 | 10 | 94 | 126 | 84 | COP34/COP32/DHD3.5 | 12 |
| P127/10-93 | 127 | 107 | 10 | 105 | 142 | 93 | COP34/COP32/DHD3.5 | 16 |
| P140/10-97 | 140 | 120 | 10 | 116 | 161 | 97 | COP44/DHD340/M40/SD4/QL40 | 21 |
| P146/10-110 | 146 | 126 | 10 | 124 | 165 | 110 | 22 | |
| P168/12.7-127 | 168 | 142.6 | 12.7 | 141 | 188 | 127 | COP54/DHD350/M50/SD5/QL50 | 27 |
| P178/12.7-131 | 178 | 152.6 | 12.7 | 150 | 196 | 131 | 32.5 | |
| P194/12.7-145 | 194 | 168.6 | 12.7 | 166 | 214 | 145 | COP64/DHD360/M60/SD6/QL60 | 42.5 |
| P219/12.7-170 | 219 | 193.6 | 12.7 | 191 | 243 | 170 | 58 | |
| P245/12.7-195 | 245 | 219.6 | 12.7 | 214 | 268 | 195 | DHD380/COP84/SD8/QL80 | 78 |
| P254/12.7-203 | 254 | 228.6 | 12.7 | 224 | 276 | 203 | 84.5 | |
| P273/12.7-223 | 273 | 247.6 | 12.7 | 241 | 305 | 223 | 100 | |
| P325/12.7-276 | 325 | 299.6 | 12.7 | 292 | 350 | 276 | 135 | |
| P406/12.7-350 | 406 | 380.6 | 12.7 | 377 | 442 | 350 | DHD112/QL120/SD12/N120 | 280 |
| P508/12.7-416 | 508 | 482.6 | 12.7 | 478 | 545 | 416 | 522 | |
| P560/12.7-475 | 560 | 534.6 | 12.7 | 528 | 595 | 475 | NUMA180SD18/Numa180/TH18/TS18/TK18 | 620 |
| P610/12.7-513551 | 610 | 584.6 | 12.7 | 558 | 645 | 513 | NUMA180 | 710 |
Operation Schematic Figure
Step1: The drilling in over burden formation is finished.
Step2: Reverse rotation of the hammer and pull the pilot bit out from the hole.
Step3: Replace the pilot bit with normal bit to continue drilling down.
Product Details
Product detail pictures:
Related Product Guide:
Bear Customer initially, High-quality first in mind, we work closely with our prospects and supply them with efficient and specialist companies for 2022 China New Design Button Bits Rock Drilling - Concentric Casing System With Ring Bit – Spark , The product will supply to all over the world, such as: Liverpool, Azerbaijan, Nairobi, Aiming to grow to be by far the most professional supplier within this sector in Uganda, we keep researching on the creating procedure and raising the high quality of our principal goods. Till now, the merchandise list has been updated on a regular basis and attracted customers from around the globe. Detailed data can be obtained in our web page and you'll be served with good quality consultant service by our after-sale team. They're going to allow you to get complete acknowledge about our items and make a satisfied negotiation. Small business check out to our factory in Uganda can also be welcome at any time. Hope to obtain your inquiries to get a happy co-operation.
By Betsy from Swiss - 2018.11.11 19:52
Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
By Amy from Nepal - 2017.08.18 18:38
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