YT28 Jack Leg Rock Drill 1 The drill machine can drill 5 ... to operate 3 Air consumption: 5 m3 YT28 Hand Hold Jack Leg Rock DrillFunction:1, drilling downward2, blast-holes in medium ... , and for secondary blasting in large mines.SPECIFICATIONSYT28 Hand Hold Jack Leg Air Rock Drill Air-leg rock drillsTypeYT28 Weight(kg ... )1800 1400 Feed length (mm)1365 965 YT28 Hand Hold Jack Leg Air Rock Drill Picture