Feature:1. Wide range of applications, suitable for bench drills, milling machines, machining centers, etc.2. Sharping and wear‑resistant, made of high‑speed steel, with high hardness and long service life.3. The design of the drill bit to increase the chip flute is conducive to high-speed operation to accelerate chip removal.4. With great workmanship, this drill bit can perfect replacement for the old one.5. There are 5pcs drill bits, can meet your use and replacement needs, very practically.Specification:Item Type: Centering Drill BitsMaterial: High speed steelSpecification: Approx. 5mm / 0.2inShank Diameter: Approx. 12mm / 0.5inBlade Length: Approx. 6.7mm / 0.3inOverall Length: Approx. 63.3mm / 2.5inPackage List:5 x Centering Drill Bits