Down Hole Drilling Bit TK24-800mm DTH Bit For Open Hole Foundation Water Well Drilling The drill bits offered by Tianhe Drilling are manufactured to ....
76-114mm Flexible Permanent Symmetrix(symmetric) Overburden Casing System General Introduction Application Range: It is recommended to drill in rock ....
Blue SD12-381 Bit of SD Hammer for waterwell drilling and foundation Specification Matched hammer diameter(inch) Bit diameter Air Holes Gauge Front .....
DHD360-165mm Rock Drill Bits And QL60 And COP66 And SD6 For Mining And Water Well Rock Drilling. General Introduction HAMMER INCH BIT DIA(MM) BIT DIA....
DTH Hammer | Foundation Drilling | Rock Drilling Equipment With DTH Bit Hole Size From 3 ½ to 40 inches DTH solutions for large holes--Where there’s ....
Concentric Casing system with wings Flexible Permanent Symmetrix(symmetric) Overburden Casing System General Introduction Application Range: Applies ....