Abstract: Sanitary coupling for needle and mechanized punch for micropigmentation and tattooing, having a threaded bolt that can perform shuttle micromovements of the protruding sheaf of the casing of the mechanized punch to which the base of a needle is coupled. The bolt passes through the casing of the mechanized punch through an orifice located in a prolongation and/or sleeve thereof. The base of the needle consists of a disc-like body which on one of its faces presents a threaded orifice for coupling to the thread of the bolt, and its edge is extended to form a complementary overlapping skirt around the form of the prolongation of the sleeve of the casing. On the other face of the disc-like body a protruding portion is centered where the non-dismountable body of the needle is attached. The edges of the disc-like body extend to form a housing for fluid collection.