Multi-lug drilling tool

The utility model discloses a multi-lug drilling tool which comprises a replaceable drill bit, the replaceable drill bit is provided with six cutting edges, the end of the replaceable drill bit is provided with a V-shaped drill tip, the replaceable drill bit is connected with a tool bar, the tool bar is composed of a son bar and a mother bar, and the mother bar is designed to be hollow. The utility model relates to the technical field of drilling tools, through the arrangement of the six cutting edges, aluminum skimmings generated in the part machining process can be cut into powder during drilling, the powder is discharged from gaps of machined parts in time, cutting resistance is reduced, hole walls are prevented from being scratched, large hole diameters are drilled, the design of the V-shaped drill tip can play a role in positioning during drilling, and the drilling efficiency is improved. The V-shaped drill tip can form a cone on a machined part when the drill bit drills holes, the V-shaped drill tip is