150KNm Rated Torque Drill Rig Kelly Bar Mechanical Locking Type Multilocking Kelly Bar Combined type kelly bar is a kind of combination drill, which ....
Multi-locking Kelly Bar As opposed to standard interlocking kelly bars, multi-locking kelly bar can be locked at any point, hence resulting in better ...
Interlocking Kelly Bar APFLKB series kelly bars are designed to be used for dense sand, gravel and rock strata, with diameters ranging from Ø340-580mm...
Friction Kelly Bar APFFKB series kelly bars are designed to be used for soft and silt strata, with diameters ranging from Ø340-580mm. To guarantee ......
150KNm Rated Torque Drill Rig Kelly Bar Mechanical Locking Type Multilocking Kelly Bar Combined type kelly bar is a kind of combination drill, which ....
Interlocking Kelly Bar APFLKB series kelly bars are designed to be used for dense sand, gravel and rock strata, with diameters ranging from Ø340-580mm...
Multi-locking Kelly Bar As opposed to standard interlocking kelly bars, multi-locking kelly bar can be locked at any point, hence resulting in better ...
Friction Kelly Bar APFFKB series kelly bars are designed to be used for soft and silt strata, with diameters ranging from Ø340-580mm. To guarantee ......