... excellent quality , good after-sale service, best price. Drilling Machine,drill machinery,drilling Excellent quality , good after-sale service, best price ... ZK-300Main Technical ParametersTechnical Parameters ZK-300Drilling diameter15-300mmVertical stroke1400mmMain motor power5.5kwWater consumption8m3/hDiamensionsL×W×H800×1300×2500mmApproximate1500kg