Abstract: A threaded insert including a main body being generally cylindrical with a central bore extending therethrough having outer ring members with knurling in opposed directions for preventing rotation after implanting of the insert into a carrier substrate. The main body includes upper pilot ribs positioned on the outer surface of the main body adjacent the upper end to facilitate entry of that end into the carrier substrate during implanting thereof. The rib includes an upper leading surface which is arcuate to facilitate this insertion by facilitating movement of the substrate material during insertion. A lower pilot rib configuration is also included to allow insertion of the one-piece metallic threaded insert with either the upper or lower end entering the carrier substrate first.

Abstract: A threaded insert and method for making same which is particularly usable when fixedly positioned within a base material which itself is molded about the threaded insert, the threaded insert comprising a generally cylindrical body which is preferably knurled about the exterior thereof to provide a means for fixed securement between the insert and the surrounding base material, the cylindrical body including a central bore extending part way or completely through the insert, the central bore being threaded such that each individual thread includes a burnished end thereof such as to provide an arcuate surface immediately adjacent the mold or immediately adjacent the pin extending through the central bore to prevent the seepage of base material when under pressure during molding past the threads to foul the threads by having base material therein, the dimension of the burnishing on the tips of the threads being of such small dimension that the first placement of a threaded male member into the threaded central b