0.4-0.63Mpa Pneumatic Rock Drilling

0.4-0.63Mpa Jack Hammer Pneumatic Rock Drilling , Gas Powered Rock Drill Quick Detail: Item Name YT24 Weight 24kg Overall dimensions 678mm Stoke 70mm Cylinder Dia 70 mm Air pressure 0.4-0.63mpa Water pressure 0.2-03mpa Impact frequency >31Hz Air consumption 66.7L/S Drilling speed 250mm Max drilling depth >6m Air pipe inside dia 19mm Water pipe inside dia 13mm Drill bit size 32-42mm Drilll rod size H22X108mm FT140B air-leg Length of air leg 1,687mm Drilling length 1,250mm