Article: СМ-5 Ǿ112 ГОСТ 11108-70

    Crown bit CM-5 f 112

    Price from $ 10.57

    weight: 0.81 kg.

    Description

    Used when drilling abrasive, monolithic rocks V-VI categories. The diameter of the core pipes 108 mm.
    Crown СМ-5 f 112 
    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 barrel and the other end of the tube attached carbide inserts.

    Body material crown - Steel 20
    Material carbide - VK8