Crown bit M-5 f 112

    Price from $ 22.22

    weight: 1.02 kg.

    Description

    It is used for drilling soft rock to category IV. The diameter of the core pipe 89 mm.
    Crown М-5 f 112 
    designed for rotary and rotary-percussion core drilling with bottomhole cleaning washing liquid in soft rocks. 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