DMM4.0-MR116 Pneumatic Hammer Drill for Rock Drilling Applications

Pneumatic percussion plunger complete with a drill bit is designed for drilling holes in rocky rocks with a coefficient of strength f=6...20 according to Protodyakonov (GOST 21153.1-76). Pneumatic percussionist converts the energy of compressed air into impact energy and transfers it to the drill bit, directly impacting the rock to be drilled.