Factory source Dth Drill Rod - Concentric Casing System With Ring Bit – Spark
Factory source Dth Drill Rod - 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:
To meet the customers' over-expected satisfaction , we have our strong team to provide our best overall service which includes marketing, sales, designing, production, quality controlling, packing, warehousing and logistics for Factory source Dth Drill Rod - Concentric Casing System With Ring Bit – Spark , The product will supply to all over the world, such as: New Zealand, Jamaica, Buenos Aires, Our solutions are produced with the best raw materials. Every moment, we constantly improve the production programme. In order to ensure better quality and service, we now have been focusing on the production process. We have got high praise by partner. We are looking forward to establishing business relationship with you.
By Carey from Bandung - 2018.03.03 13:09
The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
By Evelyn from Serbia - 2017.08.15 12:36
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