M8 x 0,75 Schneideisen + 2 tlg. Handgewindebohrer Feingewinde Gewindebohrer Set : Amazon.de: Baumarkt
M8 Drill Bit, HSS 1/4" Hand Tap Hex Shank Drill Bits, Combination Drill and Tap Bit Hand Tools for Wood Drilling, Soft Metal, Aluminum, Iron - - Amazon .com
Screw Tap, Drill and Tap Bit Metric Thread Metric Drilling for Woodworking for Drill a Hole - - Amazon.com