[20PCS 1/8inch Cobalt Drill Bits]Featuring 20 pieces of 1/8inch (Drilling Diameter) x 5/8inch (Flute Length) x 2inch (Overall Length) metal drill bits, this set is compatible with most power drills available on the market today. [Fully Ground Process & 135° Split Point]The fully ground spiral groove design efficiently removes debris, reducing friction and heat for quicker, cooler drilling. The 135° split point and straight shank design enhance drilling accuracy and speed, eliminating the need for a center punch. [M35 Cobalt High Speed Steel]Constructed from industry-grade M35 high-speed steel. Enhanced with 5% Cobalt, they offer superior wear-resistance and . [Versatile Applications]Ideal for penetrating hard metals such as stainless steel, steel, and cast iron, as well as softer materials like plastic, aluminum alloy, and wood. Optimal performance requires careful control of speed, pressure, and temperature., Manufacturer: Akfldms