Stark 33PC Silver & Deming Drill Bit Index Set Black and Gold Tri-Flat 1/2 Shank (HSS) w/ Storage Case

These Silver & Deming Drill Bits have a 135-degree Split Point Tip for faster penetration and more accurate starts. They re also made of high-quality HSS material. They have been treated with a black and gold surface treatment to hold lubricant for smoother drilling. They also feature a Tri-Flat Shank for solid gripping Feature: Premium high-speed steel construction for proven capability & durability to drill holes in plastic aluminum copper stainless steel and many other types of materials. Bits are coated with an extra layer of black enamel for durability that can withstand heavy-duty applications without wear and tear. Bits are made from high-quality high-speed steel to ensure long-lasting durability through many uses. 35-degree split point tip and twist design help with cutting speed while providing easy self-centering without walking. The twist design also allows chips and particles to quickly clear out. Each bit is equipped with a 1/2 try flat shank for a secure fit into drill chucks. The set comes with a durable wooden case for safekeeping. Each slot is marked with a corresponding bit size for easy identification.