Cone-pulley. A pulley having steps of different diameters.
Cone-shaft. The shaft for a cone-pulley.
Cook’s auger. An auger rounded at the end for cutting end-grain wood.
Cope-cutter. A cutter for under-cutting the shoulder of a tenon on wood-work.
Cope-head. A head for a cope-cutter in a tenoning machine.
Core. A body of sand that produces a hole or cavity in a casting.
Core-box. The box in which a core is made.
Cored. Containing a hole or recess.
Cotter or cottar. A term applied to small keys that are very broad in proportion to their thickness.
Cotter-drill. A drill used in cutting out keyways in a machine.