China Odex114 Overburden Casing Drilling System, Find details about China Overburden, Casing Drilling from Odex114 Overburden Casing Drilling System
Head Eccentric Casing drilling System
Product feature:
Down the hole (DTH) tools manufacturer KINGDRILLING Head Eccentric Casing drilling system is made up of a pair of chain embedded to guide apparatus, and ensure the bit is not contacting and damaging the retaining ring when it is rotating. When rotated clockwise, eccentric part will be expanded to bring the casing tube into hole. After completing, eccentric bit will be closed while rotated anticlockwise, and it can be lifted up by the drilling machine. This type is especially suitable for 114-273mm in diameter.
Application Range:
It is suitable for drilling water wells , geothermal wells , short micro piles ,medium mini-type grouting hole of building , dam and harbour project .
Model | Hole dia(mm) | Weight (KG) | Closed dia.(mm) | Pilot dia.(mm) | Length(mm) | Case dia.(OD*ID) | Spline |
MK-MEC90 | 125 | 16 | 90 | 100 | 360 | 114*102 | MACH33,DHD3.5 |
MK-MEC115 | 155 | 30 | 115 | 125 | 510 | 139*127 | DHD340,SD4.QL4 |
MK-MEC140 | 188 | 52 | 140 | 151 | 570 | 168*153 | DHD350,SD5,QL5 |
MK-MEC165 | 215 | 95 | 166 | 178 | 690 | 194*181 | DHD360,SD6,QL6 |
MK-MEC190 | 238 | 108 | 190 | 203 | 690 | 219*206 | DHD360,SD6,QL6 |
MK-MEC215 | 276 | 140 | 215 | 236 | 720 | 254*240 | DHD380,SD8,QL8 |
MK-MEC235 | 293 | 160 | 236 | 251 | 730 | 273*254 | DHD380,SD8,QL8 |
MK-MEC240 | 293 | 168 | 241 | 256 | 730 | 273*260 | DHD380,SD8,QL8 |