drill bit for metal introduction and removal

The drill bit for metal is used for drilling in solid materials with a through hole or blind hole, and can have a hole for the reaming tool. Commonly used mainly twist drill, flat drill, center drill bit for metal, deep hole drilling and core drill. Drilling tools, drilling machine, drilling for or other masonry materials in stone, or used to drill holes explode. When the digging operation, the drill bit for metal bit rotation around the vertical axis, while for axial movement. The soil is core drills bit  torque and axial force at the bit role, was destroyed in the extrusion and centrifugal force to work loose leaf and stir chopped, pressed to form a soil pit wall flow, while the elevator to the surface along the page. When the earth moves to free Pit stop the flow at the time, due to the centrifugal force pulverizer was thrown around the pit, complete the digging process. Drill Installation: drill slowly lifting the box, the box will be the four legs of the drill rig turntable into four corresponding holes, use the appropriate drill core drill according to the specifications of the box, lifting the drill bit into the drill core box box then the body will spur Drilling Tools  corresponding groove boxes to be installed with the drill core, and will drill into the box drill, drill that card on the turntable heart. Then turn on the drill spin coupling nut drill pipe. 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 pipe, drill.