Galvanized steel M10×21 mm Pack of 50 pieces Ø of the rivet body - 13 mm Drill for preparing holes: 13 mm Threaded rivets are used with two-handed riveters 456 363 To ensure a more secure fixation of the rivet in the material, a longitudinal notch is applied to the body of the rivet. Threaded rivets are sold in packs of 50 pieces. One pack is equal to one unit of merchandise. Installation features: In the fastened thin-sheet materials, a Ø 13 mm hole is drilled. After that, the threaded rivet is screwed onto the working part of the riveter (1), the rivet is inserted into the prepared hole (2), and then the sleeve is compressed by squeezing the handles (3). As a result, the fastened materials are tightened and securely fastened to each other. A bolt or screw (4) is screwed into the resulting threaded hole.