Adjustable drilling tool

The utility model relates to the technical field of drilling tools. The utility model relates to a drilling tool, in particular to an adjustable drilling tool. The defects that in the prior art, manpower and working hours are consumed, and machining precision is low are overcome. Including a base, a stand column is fixed to the top of the base through a bolt. A lifting frame is arranged in the stand column in a sliding mode. A universal ball is arranged on one side of the lifting frame; the lifting frame is connected with a rotating plate through a universal ball; a dovetail groove is formed in one side of the bottom of the rotating plate; according to the utility model, the rotating plate, the dovetail groove, the sliding plate, the swing plate, the lifting frame, the adjusting disc and other structures are arranged; when the device is used, the drilling angle can be adjusted forwards and backwards when the adjusting disc is rotated, the drilling angle can be adjusted leftwards and rightwards when the adjust