Z uszkodzonego połączenia kołkowego w różnych meblach trzeba usunąć połamane kołki. We can drill the hole with a wood drill, removing part of the pin still stuck in the hole. But there is a danger of breaking the hole excessively, so it is better to drill a hole about the axis of the dowel first with a small-diameter metal drill. After that sharp, With a steel skewer, it breaks off and crumbles the remains of the old peg and cleans the hole.