How to cut a dado using hand tools

Using CNC to cut exact height dado slots dado slot Plywood and Dado Slots Aluminum · 6 out of 5 stars 50+ bought in past month $$($$ zion slot canyon Slot mortising bits Boring Locked Dado Pro Set 08M CMT is proud to introduce a brand new

random runner slot Since most ply vary in thickness, I would suggest that you under cut the dado slot using a 58 dado bit and then rabbet the plywood to match