Hex head takes a 7mm wrench / socket. These have a variety of universal uses and replace factory GM part numbers 11503892 and 11500434.
QQWD 20PCS M4.8-1.61 x 16mm Hex Head Sems Screws for BMW M4.8 X 1.61, Black
Dorman 175-250 Cap Screw-Hex Head-Grade 5- 3/8-24 x 5 In.
226800 1/2" NPT Edelmann Hex Head Pipe Plug Brass 3/8" Female Hex Head
