Features Spiral Chip Removal Design: The spiral chip removal design of this drill bit ensures easy chip removal, fast cutting, and high drilling efficiency, saving time and effort during use. Materials: Crafted from high-quality high-speed steel, this drill bit offers high hardness, stable performance, and remarkable durability, ensuring reliable and long-lasting use for various drilling tasks. Fine Workmanship: With precision fine workmanship, the cutting edge of the drill bit is finely ground and sharpened, allowing for consistent and accurate cutting, meeting different cutting accuracy requirements. 118° Angle Design: The 118° angle design of the drill bit enables quick and hole drilling, enhancing overall drilling efficiency and accuracy. Versatile Uses: Suitable for drilling into iron, aluminum, copper, stainless steel, high-speed steel, manganese steel, and various quenched steel parts, making it a versatile and indispensable tool for hardware tasks. Features: 1、Spiral Chip Removal Design: The drill bit adopts spiral chip removal design, which is easy to remove chips, fast cutting and high drilling efficiency. 2、 Materials: Made of high speed steel, the drill bit has high hardness, stable performance, sturdiness and durability. 3、Fine Workmanship: With fine workmanship, the cutting edge is finely ground and sharpened, which can meet different cutting accuracy. 4、118° Angle Design: The drill bit has a 118° angle design, which can quickly and accurately drill holes, saving time and effort. 5、Uses: Suitable for iron, aluminum, copper, stainless steel, high speed steel, manganese steel, various quenched steel parts. Specification: Item Type: Drill Bit Product Material: High Speed Steel Blade Diameter: Approx. 28mm / 1.1in Uses: Suitable for Iron, Aluminum, Copper, Stainless Steel, High Speed Steel, Manganese Steel, Various Quenched Steel Parts Package List: 1 x Drill Bit Package List 1 x Drill Bit