Jan 06, 2013
ZGYX-410 DTH drill rig
1.hole dia.:83~115mm
2.bore depth: 20m
3.drilling rod dia.:60mm
4.drilling rod length:2m
ZGYX-410 DTH drill rig1.Future:This new type modified drill is upgraded based on our products of ZGYX-2300,2400 and 2500 models , it can be divided into single –...