drill bit for metal carbide drill bits Demolition

For a variety of installation and removal of the drill rig. Convenient and reliable installation and removal. ⒈ core drilling bits installation Drill slowly lifting the box, the four legs of the box corresponding drill holes into four turntable rig, according to the choice of the appropriate size drill core drill box, lifting the drill core box drill box into the body and then to groove and drill drill core box corresponding convex tip installed, will drill into the box drill, Drilling Tools that card on the turntable heart. Then turn on the drill spin coupling nut drill pipe. ⒉ drill demolition Lifting drill (with drill), will drill the box is connected with the turntable, slowly lifting the convex tip drill drill grooves corresponding box and drill core, and the drill bit stuck in the drill box, turn receded drill, drill.