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 ModelD1(approx.)d(approx.)w(approx.) MT3-M6-823.825mm / 0.9in6.3mm / 0.2in5mm / 0.2in MT3-M1023.825mm / 0.10in8mm / 0.3in6.3mm / 0.2in MT3-M1223.825mm / 0.11in9mm / 0.4in7.1mm / 0.3in MT3-M1423.825mm / 0.12in11.2mm / 0.4in9mm / 0.4in MT3-M1623.825mm / 0.13in12.5mm / 0.5in10mm / 0.4in D: Approx. 23.825mm / 0.9in Package List 1 x Tapping Chuck 1. Install the correct type of taps, and do not blindly install overtravel 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. 1Morse taper shank tapping chuck is made with exquisite workmanship, guaranteed quality 2Accuracy is guaranteed to ensure work accuracy and improve processing and production efficiency, very practical 3The product is made with standard production, easy to disassemble and clamp, very useful 4Can be for tapping hole of spindle hole of the lathe, tail hole of the lathe, drilling machine, milling machine, and various cutting machine tools 5This tapping chuck come with stable structure, excellent performance and long service life