ABN 1/4" to 1-3/8" Titanium Step Drill Bit
10 Step drill bit for drilling holes in wood and most metals, including steel, brass, aluminum and copper. Step sizes include 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4" & 1-3/8". Made of titanium, this drill bit will have a longer life then its competitors.