HSS Blacksmith Drill Bit Set, 8 Pieces Hardened Steel Twist Drill Bits, 14-25mm HSS High Speed Carbon Steel Twist Drill Bits

General Description These hardened steel twist drill bits are made of high-quality high-speed steel, offering excellent performance, light weight, heat resistance, and durability. The set includes drill bits in various sizes, ranging from 14 mm to 25 mm, suitable for most metals, including steel, copper, stainless steel, iron, aluminum, ceramic tiles, acrylic, wood, metal, marble, and aluminum alloys. They are also suitable for surfacing, finish milling, and machining carbon steel, alloy steel, tool steel, cast iron, and titanium. The drill bits are packaged in high-quality, rigid cases, neatly organized for easy access. Technical Specifications Material: High-speed heat-treated carbon steel Finish: Black oxidized industrial finish Dimensions: 14 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 22 mm, 25 mm Packaging: Wooden box