Product Info Catalog Tools Power Drill, Bits & Accessories Step Drill Bit, 1/4 to 1-3/8-In. Step Drill Bit, 1/4 to 1-3/8-In. Request a Quote UPC: 38548101057 SKU: 412056 Model Number: 10235 Unibit, 1/4" to 1-3/8" step drill, 10 hole sizes from 1/4" to 1-3/8" in 1/8" increments, maximum material thickness 1/8", 3 flatted shank, shank size 1/2", single fluted cutting edge assures true round holes & allows greater control.
