... drilling machine for meddium holes core drilling. XY-2 CORE DRILL XY-2 Series Core Dill is portable hydraulic-feeding spindle drilling ... It remains all the performances, features and structures of XY-2, but enlarges spindle inside diameter to 96mm, lowers spindle rotary ... 200mm) Φ73 Drilling Rod100m(Φ300mm)100m(Φ300mm) DRILL HEAD Spindle I.D. 76mm96mm46x51mm Spindle Speed Fowards65,114,180,248,310,538 ...