Description Reviews MINI F-Car Hex Screw G3 #07-14-9-126-886 TS5X17 SW8 D=22. There can be up to 45+ of these Bolts all over the car, but 2 common areas are the battery top and the under body tray which are things that get taken off a lot and get lost. You may also want some of these clips or a nut cert or other nut cert.