Double action rivet nuts for use with RP110. Mainly used for thin metal sheets where threading is impractical or impossible. Especially suitable for thin materials, can be attached from one side. Can be used as a part to fasten a nut, or as a vetonite to join two materials. Rivet nuts are suitable for objects with a small fastening area, less than 3 mm. Made of strong steel, zinc finished. Suitable for both pressed and drilled holes. Installation is possible blindly, without access to the reverse side. Strong and reliable connection. Packed in a narrow blister pack, consistent with the rest of the range. The package contains the correct size drill bit. Available sizes M3, M4, M5, M6