Feature:1. The integrated drill chuck is an excellent locking device to ensure good product performance.2. Made of highquality high carbon steel, the drill chuck is durable with long service life.3. Integrated design endows the product with high accuracy and high hardness.4. To cut off larger margins and process, such integrated drill chuck keeps high grip and impact resistance.5. The integrated drillbit is specially designed for drilling machines, practical to use.Specification:Item Type: Integrated Drill ChuckModel: APU13-C20Material: High Carbon SteelStraight Shank Diameter: Approx. 20mm / 0.8inMaximum Clamping Bit: Approx. 13mm / 0.5inApplicable Machine Tool: Drilling MachineOne-Piece Drill Chuck Is Mainly Used For Drilling Machines.Package List:1 xIntegrated Drill Chuck