Reliable Supplier Core Drill - Concentric Casing System – TDS
Reliable Supplier Core Drill - Concentric Casing System – TDS Detail:
A driver bit and a ring are assembled to a complete concentric system bit which is suit for 114-1067mm diameter tube.
Advantage:
1. Enhance penetration and perpendicularity
2. Reduce torque requirements
3. Deal with straight, oblique hole and other angle holes
4. Lowest effect with environment
External dia.(mm): 125/155/188/215/238/276/293/345/375/432…1090
Casing dia.(OD*ID,mm): 114*102/139*127/168*153/194*181…1067*1041
Outer Dia Of Casing Tube (mm) | Inner Dia Of Casing Tube(mm) | Reamed Dia(mm) | Min Inner Dia Of Casing Shoe(mm) | Drill Pipes(mm) | Max.Outer Dia of Normal Bit(mm) |
114 | 101-103 | 127 | 91 | 76 | 77 |
127 | 114-116 | 136 | 101 | 76 | 82 |
140 | 124-127 | 152 | 117 | 76 | 92 |
146 | 127-132 | 154 | 117 | 76 | 105 |
168 | 149-155 | 184 | 140 | 76 | 105 |
178 | 159-165 | 194 | 150 | 76.89 | 125 |
193 | 173-180 | 206 | 164 | 76.89 | 140 |
219 | 199-206 | 234 | 184 | 89.114 | 150 |
244 | 224-231 | 260 | 210 | 89.114 | 165 |
273 | 251-257 | 305 | 240 | 114 | 190 |
323 | 301-310 | 348 | 284 | 114.127 | 220 |
406 | 382-388 | 440 | 364 | 127 | 255 |
457 | 433-439 | 488 | 413 | 140 | 340 |
508 | 484-490 | 538 | 464 | 140 | 385 |
558 | 534-540 | 590 | 514 | 140 | 440 |
610 | 586-592 | 642 | 566 | 140 | 485 |
660 | 636-642 | 694 | 615 | 168 | 540 |
711 | 687-693 | 745 | 665 | 168 | 590 |
762 | 738-744 | 798 | 716 | 168 | 640 |
863 | 839-845 | 900 | 815 | 168 | 685 |
Product detail pictures:



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abide by the contract", conforms to the market requirement, joins during the market competition by its superior quality also as provides extra comprehensive and exceptional service for consumers to let them turn into significant winner. The pursue of the business, is definitely the clients' gratification for Reliable Supplier Core Drill - Concentric Casing System – TDS , The product will supply to all over the world, such as: Iraq, Bandung, Belgium, Insisting on the high quality generation line management and customers expert assistance, we now have designed our resolution to offer our buyers using the to start with amount getting and just after services practical experience. Maintaining the prevailing friendly relations with our buyers, we however innovate our solution lists all of the time to satisfy the brand new demands and adhere to the most up-to-date development of the market in Malta. We are ready to face the worries and make the improve to understand all the possibilities in international trade.

The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.

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