ZGYX-410 DTH drill rig 1.hole dia.:83~115mm 2.bore depth: 20m 3.drilling rod dia.:60mm 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 – cylinder diesel of S1125...

ZGYX-420A/B/D Hydraulic DTH drill rig bore dia.:90-130mm bore depth:30m drill rod dia: A:60mm B:76mm ZGYX-420A/B/D Hydraulic DTH drill rigbore dia.:90-130mmbore depth:30mdrill rod dia: A:60mm  B:76mm              ...