Drilling square holes
I’ll start by clarifying that I don’t actually have a need to make square holes at the moment but I am facinated by these techniques. The maker of the above video Jacques Maurel also wrote an article for Model Engineer
Posted in: Drilling
Tags: broaching, reaming, square holes
Broaching
Broaching is a technique for turning a round hole into a square hole or a hex hole or for adding a keyway into a hole. A broach is a toothed tool that looks a bit like a rack or coarse
Posted in: Uncategorised
Tags: broaching, square holes
Metal sculpture in brass, mounted on an 1800s French Coin
