Article: СМ-5 Ǿ93 ГОСТ 11108-70

    Crown bit CM-5 f 93

    Price from $ 10.06

    weight: 0.73 kg.

    Description

    It is used for drilling abrasive, solid, slightly fractured rock V-VI categories. The diameter of the core barrel 89 mm.

    Crown SM-5 f 93 is designed for rotary and rotary-percussion drilling the bottom hole cleaning cleaning liquid in such species as: limestone, clay and sandy shales. Structurally, the crown is a cylinder, one end of which is threaded for connection with the core pipe, and at the other end of the pipe is fixed carbide inserts.
    Body material crowns - steel 20
    The solid alloy material - VK8