... surface Drill Rig,hole depth 25m or more Hole Diameter 105-140mmPowerful and reliable engine Four-cylinder diesel engine,strong ... more convenient. Technical SpecificationsHole rangeRecommended DTH hammers and hole rangeHD45S, 105-140mm,4.13"- 5.51"Hydraulic tube handling system for ... ! save 20%-35% compare with other brands Hole Diameter 105-140mm Crawler Mounted Down The Hole Drill Rig SMMEY130 KY130 ...