Irwin Unibit Cobalt Step Drills, 1/8 in-1/2 in, 13 Steps

6x longer life. Laser marked sizes.

Attributes:

Applicable Materials = Aluminum; Brass; Copper; Mild Steel; Plexiglass; Wood, Applications = General Applications, Cutting Diam [Max] = 1/2 in, Cutting Diam [Min] = 1/8 in, Cutting Edge Material = M35 Cobalt HSS, Height [Nom] = 0.95 in, Length [Nom] = 7.25 in, Material Thickness [Max] = 1/32 in, Measurement Type = Fractional, No. of Steps = 13, Type = Step Drill Bit, Width [Nom] = 3 in, Wt. = 0.14 lb. (1 EACH = 1 EACH)