Product Info Catalog Tools Power Drill, Bits & Accessories Step Drill Bit, 1/8 to 1/2-In. Step Drill Bit, 1/8 to 1/2-In. Request a Quote UPC: 38548101019 SKU: 409698 Model Number: 10231 Unibit, 1/8" to 1/2" step drill, 13 hole sizes from 1/8" to 1/2" in 1/32" increments, maximum material thickness 1/8", 3 flatted shank, shank size 1/4", single fluted cutting edge assures true round holes & allows greater control.
