OVERBURDEN DRILLING SYSTEMS

TDEX SYSTEMS

TDEX SYSTEMS

TDEX overburden drilling systems are designed for small size piling from 114mm to 406mm.

TDEX SYSTEMS Specification

Model Casing Size Bit Diameter Applicable Hammer
OD ID T OD ID T Exp Ret Exp Ret
MM INCH MM INCH
TDEX90 114.3 101.6 6.4 4.500 4.000 0.250 122 90 4.80 3.54 TG35
TDEX115 141.3 128.1 6.6 5.563 5.043 0.260 151 116 5.94 4.57 TG40
TDEX140 168.3 155.6 6.4 6.626 6.126 0.252 186 140 7.32 5.51 TG50
TDEX165 193.7 179.7 7.0 7.626 7.075 0.276 212 166 8.35 6.54 TG60
TDEX180 219.0 194.0 12.5 8.622 7.638 0.492 232 180 9.13 7.09 TG60
TDEX190 219.0 205.0 7.0 8.622 8.071 0.276 237 192 9.33 7.56 TG60, TG80
TDEX215 244.0 222.0 11.0 9.606 8.740 0.433 256 202 10.08 7.95 TG80
TDEX240 273.0 260.2 6.4 10.748 10.244 0.252 292 240 11.50 9.45 TG80
TDEX280 324.0 305.0 9.5 12.756 12.008 0.374 343 283 13.50 11.14 TG100
TDEX315 355.6 336.6 9.5 14.000 13.252 0.374 375 315 14.76 12.40 TG100/TG120
TDEX365 406.0 387.0 9.5 15.984 15.236 0.374 425 358 16.73 14.09 TG120/TG125

*Other size of TDEX system is available upon customer's request