Article: У00002006

    Crown bit CA-4 f 93

    Price from $ 17.41

    weight: 0.73 kg.


    Used when drilling abrasive, monolithic rocks VI-VIII categories. The diameter of the core pipes 89 mm.
    Crown СА-4 f 93 
    designed for rotary and rotary-percussion core drilling with bottomhole cleaning washing liquid. Structurally bit is a cylinder which at one end for threaded connection to the core pipe and the other end of the tube attached carbide inserts.

    Body material crown - Steel 20
    Material carbide - VK8