Drill Bit HSS 3/8″

Makita D-22436, 3/8 Inch Fractional Reduced Shank Black Oxide Drill Bit.
Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium. High Speed Steel drill bit for metal, wood, plastic. Special flute design for fast removal of debris. High Speed Steel construction for drilling in hard carbon alloy steels, cast iron.