I’m making my own wasteboar,what size bit I need for the 144 holes?also what size counter sink?and what size bit for the 12 holes Around the wasteboard?
The 144 holes are 6.25mm, The 12 around the waste board are 5.5mm and countersunk using 11.5mm.
The 2 holes in the middle are 5.5mm and countersunk using 12mm