A gundrill consists of the drill head, tube and driver, which are brazed together and designed to allow coolant to pass through its entire length. Coolant is fed through the tube to the cutting edge. Chips produced and coolant is removed through shank groove. Gole Precision Tools has manufactured deephole drilling tools for decades. Gundrilling is an ideal solution for most deep and precision drilling projects. Special drilling tools: apart from solid drilling gundrills, Gole also has custom deephole drilling tools for special drilling applications, i.e., trepanning, counterboring or stepped drilling. Recommended drilling conditions of Gole gun drills: it is difficult to determine the drilling conditions of gun drills normally, but the following conditions can be suggested ? machinability of drilled material; performance of machine; required hole surface and precision; cutting oil, pressure, temperature and oil quantity; component form and hardness; required life; and others.
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