nut-chamfering machine en
1Countersink — A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the… …
2tool — I (New American Roget s College Thesaurus) n. instrument, implement, utensil, device, machine; cat s paw, dupe, henchman, intermediary. See instrumentality. II (Roget s IV) n. 1. [An implement] Syn. implement, utensil, machine, instrument,… …
