Product Info Catalog Tools Power Drill, Bits & Accessories Step Drill Bit, 3/16 to 1/2-In. Step Drill Bit, 3/16 to 1/2-In. Request a Quote UPC: 38548101026 SKU: 410407 Model Number: 10232 Unibit, 3/16" to 1/2" step drill, 6 hole sizes from 1/8" to 1/2" in 1/16" increments, maximum material thickness 3/8", 3 flatted shank, shank size 1/4", single fluted cutting edge assures true round holes & allows greater control.
