The invention concerns a family of insertable temporary fasteners (100) comprising the following: a body (101) with a bearing face (102) at least one clip (103) with a hooking spur (104) a threaded rod (105, 205) connected to the clip, with a control nut (107, 207) screwed onto the said rod The family comprises at least two temporary fasteners (100) with different diameters and nuts with different lengths (116).The invention also concerns a set comprising such a family of fasteners, along with an installation device (13) comprising a means (26, 30) of detecting the length of the nut.The invention enables the installation device to automatically determine the appropriate tightening torque when installing the fastener based on the length of the nut.