Features 1、Equipped with a straight shank, the chuck structure is tighter in the integrated design and the operation is more stable. 2、Automatically fasten the keyless device, it is not easy to fall off or slip after installation and use. 3、With an accuracy of 0.08mm, the clamping force can be automatically increased, which helps to improve processing efficiency. 4、Made of high‑quality 40Cr material, and has undergone special quenching treatment, which has high hardness and wear resistance. 5、The integrated design is small in size and light in weight, especially suitable for industrial processing, often used in milling machines. Specification Item Type: Drill Chuck Material: 40Cr Accuracy: 0.08mm Hardness: 40HM Clamping Range: Approx. 1-13mm / 0.04-0.5in Applicable Machine Tool: Milling machine Package List 1 x Drill Chuck