HSS STEP DRILLS

Item No.:14HSO001 * HSS Step Drills for drilling cylindrical holes in solid material up to a thickness of 4 ~ 5mm. * Burr-free and vibration-free drilling. * The tapered cutting edges of the next drill step can be used for simultaneous deburring or chamfering of the finished bore at the same time. * Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic. * Drills up to 13 holes sizes with one bit. * Ideal tool for sheet metal workers, electrical