sharpening machine for twist drills, countersinks, taps, step drills - sharpening capacity from mm. 2 to mm. 40 - right and left-hand tools up to 12 cutting edges with angles between 40 and 180 - toolholder head with auto......sharpening machine for twist drills, countersinks, taps, step drills - sharpening capacity from mm. 2 to mm. 40 - right and left-hand tools up to 12 cutting edges with angles between 40 and 180 - toolholder head with automatic rotation 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.