Drill bits are made of high-quality carbide material and high-speed steel. SDS plus drill bits are suitable for preparing a wide range of materials such as stainless steel, aluminum, copper, iron, and hardened steel. They are made of superior quality material that allows them to work on soft and hard materials without breaking or dulling quickly. The double-cut design reduces breakage and increases efficiency. These bits are ideal for drilling masonry, concrete, stone, and ceramic. The solid carbide S-cutter and inclined side cutters enable high-speed drilling. Xtra Power drill bits are designed and manufactured to the highest of standards, providing you with the best tool life and maximized productivity. It has excellent wire cutting ability for soft and hard wires. Available with fully polished head or black phosphate and bright polished head.