Crown КТ-2 f 172
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.
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
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