Item Type: Tapping Chuck Specification: MT4 Model Example Description: "MT4-M27-30" "MT4" Means: The model of the tool holder is Morse taper conversion tool holder "M27-30" Means: The clampable taps are two types of M27 and M30 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 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 come with exquisite workmanship, guaranteed quality 2Accuracy is guaranteed to ensure work accuracy and improve processing and production efficiency 3The product is made with standard production, easy to disassemble and clamp, very practical 4Suitable for tapping hole of spindle hole of the lathe, tail hole of the lathe, drilling machine, milling machine, and various cutting machine tools 5Tapping chuck come with stable structure, excellent performance and long service life