Large Vortex Drill Bit - This twist drill bit with widened chip removal slot, smooth and flat, high temperature non-stick knife. High Quality - Brand New. This twist drill bit is made of high speed steel, anti-corrosion and durable. Wide application - 1/2 straight bits can be used to drill stainless steel, aluminum alloy, die steel , high carbon steel, cast iron, wood, etc. Marked with a steel stamp - The half handle is chamfered and clearly marked with a steel stamp. bit can be distinguished. AFTER SALES GUARANTEE - We care about every customer's sentiment. If this product does not meet or exceed your expectations, please contact us first, we will resolve the issue immediately. This 1/2 inch high speed steel twist drill bit is forged from high quality 9341 steel. The head is tempered and heat treated. It features high hardness and good wear resistance. The cutter head adopts scientific design, precision grinding technology, good wear resistance and high durability. Mainly used for boring and milling, processing of iron, steel, plastic, wood, copper, aluminum and other metal materials. Specification: < p>Item Name: 1/2 Shank Steel Drill Bit Material: High Speed Steel Outer Blade Top Angle: 130 Blade Diameter: 26mm Package List: 1 * Drill Bit