Irwin Unibit High Speed Steel Metric Self-Starting, 6 mm-18 mm, 7 Steps

Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Single-flute cutting edge for greater control through steps. 3 flatted shank prevents slipping in drill chuck. Also available with titanium nitride coating for longer life. New SpeedPoint tip penetrates faster than previous Unibits and prevents walking

Attributes:

Cutting Diam [Max] = 18 mm, Cutting Diam [Min] = 6 mm, Material Thickness [Max] = 5 mm, Measurement Type = Metric, No. of Steps = 7, Shank Diam [Nom] = 3/8 in; 10 mm, Tool Shape = Tree - Step Drill, Type = Step Drill Bit, Wt. = 0.3 lb. (1 EACH = 1 EACH)