The utility model relates to building
engineering tool technical field, and disclose building
engineering is with multifunctional hammer, including
handle, the front side end portion of
handle is connected with the connector, the outer fixed surface of one side of connector is connected with the hammer head, the side fixed surface of connector away from hammer head is connected with the nail head, the inner surface of
handle is equipped with the accommodating groove, the outer surface of connecting shaft is equipped with cutter, saw blade and caliper respectively from below to top rotatoryly, the outer surface of connecting shaft is equipped with
screw thread tooth, the
screw thread tooth department of connecting shaft is connected with the
screw thread sleeve. Through hammer head carries out the knocking work, the nail head carries out the nail work, realizes the basic hammer function, and through setting cutter, saw blade and caliper, cooperate screw thread sleeve makes cutter, saw blade and caliper can rotate on the connecting axle, uses cutter, saw blade and caliper, thereby gathers multiple functions in one, has realized the multifunctionality of this hammer.