Galvanized steel M5x13 mm Packed in 50 pieces Body diameter of the rivet - 7 mm Drills for hole preparation: 7.5 mm, 7 mm Threaded rivets are used with rivet guns 456 163 and 456 363. For a more secure attachment of the rivet to 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 equivalent to one unit of merchandise. Mounting features: In thin sheet materials, a hole with a diameter of 7.5 mm is drilled. After that, the threaded rivet is screwed onto the working part of the rivet gun (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 materials being fastened are tightly secured to each other. A bolt or screw is threaded into the created threaded hole (4).