sharpening machine for twist drills, countersinks, taps, step drills - sharpening capacity from mm. 3 to mm. 60 - right and left-hand tools up to 12 cutting edges with angles between 40 and 180 the accessories supplied in......sharpening machine for twist drills, countersinks, taps, step drills - sharpening capacity from mm. 3 to mm. 60 - right and left-hand tools up to 12 cutting edges with angles between 40 and 180 the accessories supplied include precision chuck with 6 jaws , device for web thinning, set of 4 cams, base, halogen lamp, grinding wheels, etc. an air-cooled and pneumatic suction cooling system can be supplied as an alternative to the water-cooling system supplied as standard. helical drill sharpener cuoghi affilatrici automatic drill sharpener cuoghi affilatrici automatic drill / tool sharpener cuoghi affilatrici