Looks like [Adam Prince] lucked out with his broken bit, which he was using to drill the hole for a pin in a small custom brass hinge. It turns out that a hot solution of alum (ammonium aluminum ...
The Minnich A-1CL dowel pin drill is a lightweight, on-slab, high-production drill that offers horizontal, vertical and 35-degree stitch and skewed drilling positions. The drill is maneuverable ...