1/2" Reduced Shank Silver-Deming Thunderbit Drill

Flatted shank, high-speed steel, 1/2" shank, black and bronze, Silver & Deming, 118° point. The shank expands the size range capacity of 1/2" portable drill chucks. Common flute and Length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body Size. Ideal for drilling in medium and high tensile strength materials. Not recommended in preformed holes. For use in iron steel, stainless steel and wood.