KNSH-216 QL80 MX Diamond Core Drill Bit for Versatile Applications

Drill bits are designed for percussive rotary drilling of wells of various purposes with diameter in rocks and ores with coefficient of hardness f=6...5 MPa. f=6...20 on the scale of Professor Protodyakonov (GOST 21153.1-76) and can be used for drilling operations open on drilling machines at compressed air pressure of 2.0...2.5 MPa.