DRILL BITS
DRILLING CROWN KKP43-25
DRILLING CROWN KKP43-25-CROSS, PLATE
It is designed for drilling with hole flushing with punches with an impact energy of 63.74 j (6.5 kgf m) in viscous fractured and abrasive rocks with a strength of up to f=18 on the Protodiakonov scale.
TECHNICAL CHARACTERISTIC
The nominal diameter of crown, mm - 43
The largest diameter of the landing cone, mm-25
The angle of the cone 3 degrees 30 minutes
Hard alloy grade-VK15
Weight, kg-0.5
DRILLING CROWN KDP43-25
DRILLING CROWN KDP43-25-BIT, PLATE
It is designed for drilling with hole flushing with punches with an impact energy of 63.74 j (6.5 kgf m) in viscous monolithic rocks with a strength up to f=20 on the Protodiakonov scale.
TECHNICAL CHARACTERISTIC
The nominal diameter of crown, mm - 43
The largest diameter of the landing cone, mm-25
The angle of the cone 3 degrees 30 minutes
Hard alloy grade-VK15
Weight, kg-0.5
DRILLING CROWN KBL2-160
THE CROWN IS TWO-GRAY, THE CUTTING EDGES OF THE FEATHERS ARE REINFORCED WITH A HARD ALLOY. THE CROWN WORKS AS A COMPLETE SET WITH A SCREW-TYPE DRILL ROD.
The kbl2-160 drill bit is designed for drilling explosive wells in a rotational manner in open-pit mining operations on coal and weak rocks with a strength coefficient up to f=4 on the Protodyakonov scale.
TECHNICAL CHARACTERISTIC
Crown diameter, nominal, mm-160
The largest diameter of the landing cone, mm-56
The slope of the landing cone - 1 degree 10 min
Hard alloy grade-VK10KS
Weight, kg 3,