Joined: Aug 2008
Posts: 101
Likes: 1
From: Montréal, QC, Canada
Bikes: 2013 Norco Indie IGH Alfine 8, 2008½ Kona Jake, 2003 Giant Iguana, 1994 Rocky Moutain Équipe
Don't tap M5x0.8, you will not have enough metal left for the screw to hold because of the different thread pitch. Your best bet would be to drill 5.0 mm (or drill bit #9) and tap M6x1.0 (if there is engouh material to do that).