KNSH-165QL60 Rock Drill Bit for Versatile Impact-Rotary Drilling

Drill bits are designed for percussive rotary drilling of wells of various purposes in rocks and ores with the coefficient of f=6...20 on Professor Protodyakonov's scale (GOST 21153.1-76) and can be used for drilling works by open-cut method on the surface. for carrying out drilling works by the open method on drilling machines at pressure of compressed air 2,0...2,5 MPa.