For fast, small hole drilling in wood, count on Milwaukee’s Premium quality Flat Boring Bit. Made of heat-treated High Carbon steel, the Flat Boring Bit bores clean holes at any angle in wood, plastic, plywood and Formica. The drill point and cutting edges can be re-sharpened often for economical hole drilling. Bit offers a 6 in. drilling depth but can be used with 12 in. extension, 48-28-3350, for extended deep hole drilling.