Feature: 1. Morse taper shank tapping chuck is made with exquisite workmanship, guaranteed quality 2. Accuracy is guaranteed to ensure work accuracy and improve processing and production efficiency, very practical 3. The product is made with standard production, easy to disassemble and clamp, very useful 4. Can be for tapping hole of spindle hole of the lathe, tail hole of the lathe, drilling machine, milling machine, and various cutting machine tools 5. This tapping chuck come with stable structure, excellent performance and long service life Specification: Item Type: Tapping Chuck Specification: MT3 Model Example Description: "MT3-M10" "MT3" Means: The model of the tool holder is Morse taper conversion tool holder "M10" Means: The clampable taps are M10 type Material: 40Cr Uses: Used for tapping hole of spindle hole of the lathe, tail hole of the lathe, drilling machine, milling machine, and various cutting machine tools. Model D1(approx.) d(approx.) w(approx.) MT3-M6-8 23.825mm / 0.9in 6.3mm / 0.2in 5mm / 0.2in MT3-M10 23.825mm / 0.10in 8mm / 0.3in 6.3mm / 0.2in MT3-M12 23.825mm / 0.11in 9mm / 0.4in 7.1mm / 0.3in MT3-M14 23.825mm / 0.12in 11.2mm / 0.4in 9mm / 0.4in MT3-M16 23.825mm / 0.13in 12.5mm / 0.5in 10mm / 0.4in D: Approx. 23.825mm / 0.9in Package List: 1 x Tapping Chuck Note: 1. Install the correct type of taps, and do not blindly install over‑travel and damage the chuck.2. After use, please clean up the remaining impurities on the chuck in time to avoid affecting the accuracy of the chuck.