Active Member
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[China]
Address: No. 018, Yaojiapo Road., Jinzhou New District, Ningxiang County
Contact name:Spring Huang
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. |
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China Wholesale Merchandise Casing Dia. 146mm System With Ring Bit
| General Introduction |
Make the casing follow easy and the equipment and operation simple.
| Raw Material |
Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
| Specification |
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.
| Model | Outer Dia. of Casing Tube(mm) | Inner Dia. of Casing Tube(mm) | Wall thickness of casing(mm) | Ring Bit Outer Dia(mm) | Ring Bit Inner Dia(mm) | Max Outer Dia of Normal Bits(mm) | Hammer Type | Weight (kg) |
| For DTH Drilling | ||||||||
| P114/8-73 | 114 | 98 | 8 | 129 | 73 | 71 | COP32/COP34/ DHD3.5/BR3/ MACH303 | 12 |
| P139/10-98 | 139 | 119 | 10 | 159 | 98 | 96 | COP44/DHD340/ MACH44/MISSION40/ SD4/XL4/QL40 | 17 |
| P152/10-92 | 152 | 132 | 10 | 162 | 92 | 90 | 20.5 | |
| P168/12.7-123 | 168 | 142.6 | 12.7 | 188 | 123 | 121 | COP54/DHD350/ MACH50/MISSION50/ SD5/QL50 | 29 |
| P177/12.7-129 | 177 | 151.6 | 12.7 | 196 | 129 | 127 | 40.5 | |
| P193/12.7-145 | 193 | 167.6 | 12.7 | 214 | 145 | 143 | COP62/COP64/ DHD360/MISSION60 /SD6/XL6/QL60/TD150 | 43.5 |
| P219/12.7-144 | 219 | 193.6 | 12.7 | 231 | 144 | 142 | 51 | |
| P244/12.7-160 | 244 | 218.6 | 12.7 | 258 | 160 | 158 | COP84/DHD380/ SD8/QL80/TS180 | 73 |
| P273/12.7-191 | 273 | 247.6 | 12.7 | 291 | 191 | 189 | 101.5 | |
| P323/12.7-238 | 323 | 297.6 | 12.7 | 339 | 238 | 236 | 151 | |
| P406/12.7-362 | 406 | 380.6 | 12.7 | 428 | 362 | 360 | DHD112/QL120/ SD12/NUMA120 | 266 |
| P457/14.2-406 | 457 | 428.6 | 14.2 | 475 | 406 | 404 | 386 | |
| P508/16-445 | 508 | 476 | 16 | 518 | 445 | 443 | 452 | |
| P558/12.7-475 | 558 | 532.6 | 12.7 | 570 | 475 | 473 | QL200/SD18/NUMA180/ TH18/TS18/TK18 | 494 |
| P609/16-551 | 609 | 577 | 16 | 628 | 551 | 549 | 610 | |
| P660/16-565 | 660 | 628 | 16 | 680 | 565 | 563 | 691 | |
| P711/16-642 | 711 | 679 | 16 | 732 | 642 | 640 | QL200S/TH32/TK24 | 930 |
| P762/16-667 | 762 | 730 | 16 | 781 | 667 | 635 | 1003 | |
| P812/16-736 | 812 | 780 | 16 | 838 | 736 | 714 | 1150 | |
| P914/16-836 | 914 | 882 | 16 | 932 | 836 | 834 | 1580 | |
| P1016/16-911 | 1016 | 984 | 16 | 1033 | 911 | 909 | QL300 | 2175 |
