Shake handshandle of ambry of twist drill hole is what?

Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - ->
twist drill hole of cabinet shake handshandle is over its relatively fixed axis rotation cutting circular hole of workpiece by drilling tools. Chip because of its capacity in spiral groove shaped like a twist.

we can use this tool for opening cabinet handle.