Champion Multi-Step Drill Bit, Series: MSD, Imperial Drill Diameter Measurement System, 1/4 in Minimum Hole Dia, 1-1/8 in Maximum Hole Dia, 1 Step, 1 Hole Size, 2 Flutes, 1/2 in Shank, Straight Shank, Split Point, HSS, Applicable Materials: Metal, PVC and Plexiglass



Graduated step design creates clean, accurate, bur free holes of multiple diameters in all sheet metals up to 1/8 in THK
Self-starting tip eliminates the need for pilot hole drilling, while the balanced double flute design provides less chattering