This is a M4 Hex Nut. Nut length is 8mm. Accurate design. 4 file formats are attached. 3d editable iges file format attached. Details: Thread Pitch: 0.7mm Height: 3mm Width: 7mm Thread Dia: M4 (4mm)
Custom size and design possible, you have to contact with me. If you want other file formats please contact with me.
Thanks, Mahbub