These deming/blacksmith drill bits are designed to cut through cast iron, steel, iron, brass, plastics and copper. The drill bits feature two cutting edges at the drill point, and feature a reduced shank with a chisel action that can be used to cut through both wood and metal. Designed with a standard helix and a 118°C point, these drill bits are both efficient and accurate in their application. Manufactured from high grade steel, these drill bits are built to last. GTSE also offers a range of drill bit sets, auger drill bits, HSS drill bits, pilot & lip and spur drill bits, cone / multi step, holesaw and arbor drill bits. If you're searching for a specific cutting solution, we stock a range of drill bits for cutting wood, metal and plastic, masonry and concrete.