Stark USA 31651 8pc HSS Cobalt Silver & Demingdrill Bits Set Large Size 9/16"

These versatile Silver and Deming drill bits can be used on almost any drill or drill press with a 1/2 in. or larger drill chuck. This bit set is precision ground and features a black industrial finish for added durability. The drill bits come in a fitted wooden storage box to keep them organized and ready to access for any project. Feature: Prefect Capability & Durability - Premium high-speed steel construction for proven capability & durability to drill holes in plastic, aluminum, copper, stainless steel and many other types of materials Coating for Maximum Protection - Bits are coated with an extra layer of black enamel for durability that is able to withstand heavy duty applications without wear and tear Fast and Efficient Drilling - The 135 degree split point tip and twist design helps with cutting speed while providing easy self centering without walking. The twist design also allows chips and particles to quickly clear out Tri-Flat Shank Secure Hold - Each bit i