The invention discloses a multifunctional electric tool. The multifunctional electric tool comprises an electric
drill body and an arc-shaped grab
handle. One side of the arc-shaped grab
handle is provided with a positive and negative rotation
transfer switch and an electronic stepless speed regulation switch. The arc-shaped grab
handle is provided with a locking button. The electric
drill body isinternally provided with a rotary shaft. A
metal rotary screw stud and a
metal chuck are mounted on the rotary shaft. The
metal chuck is internally provided with a
fastener used for fastening. An
abrasive wheel
assembly is mounted on the metal rotary screw stud through a flat key. A double-
drill assembly, a
polishing wheel
assembly, a detachable
drill bit assembly and a universal flexible shaft are mounted in the metal chuck in a replaceable mode. The multifunctional electric tool is diversified in function. A carpenter can implement
processing of multiple processes through the same electricdrill. The
abrasive wheel assembly can be mounted on the metal rotary screw stud conveniently. Standard joints are manufactured on the double-drill assembly, the
polishing wheel assembly, the detachable
drill bit assembly and the universal flexible shaft so that the double-drill assembly, the
polishing wheel assembly, the detachable
drill bit assembly and the universal flexible shaft can be mounted in the metal chuck conveniently and fastened. The double-drill assembly, the polishing wheel assembly, the detachable drill bit assembly and the universal flexible shaft can be exchanged and used asrequired, and the cost is greatly saved.