Yt28 rock drill application Yt-28 air leg rock drill is widely used in mining, tunneling and various drilling operations. Metallurgy, coal, railway, transportation, water, infrastructure and defense stonework projects in key equipment. The machine uses the wet-hard or hard rock drilling operations, muzzle diameter of 34-42mm, drilling depth of up to 5m. With ft160a can drill air leg supporting horizontal and inclined blast holes; may install and operate on the trolley or stand. Model, weight Kg, length Mm, cylinder, stroke Mm, working, Pressure Mpa, impact, Energy J, impact, Frequency Hz, air , consumption I/s air, leg, rock, drill Carton box, plastic bags, wooden cases or as your requirement