Item Type: Tapping Collet <br>Material: High speed steel <br>Specification: M4 <br>Shank Diameter x Square Hole: Approx. 5 x 4mm / 0.2 x 0.2in <br>Product Category: CNC Tool <br>System: Japanese standard <br>How to Use: <br>1. Press the knurled position of the handle body with the thumb of your left hand and pull it in the direction of the arrow <br>2. The handle body is aligned with the concave and convex keys of the chuck, install the chuck into the shank body <br>3. When disassembling the chuck, pinch the knurled key with your hand and pull the chuck back and it will be ejected automatically <br>Install Steps: <br>1. Thumbs press down the spring <br>2. Put the tap into the chuck hole and release your thumb<br>1、Have good clamping strength, high accuracy and long service life <br>2、Provide safe and fast replacement of tapping chuck, can be connected to drill chuck extension <br>3、Taps have quick?change devices, saving time and effort, possess simple operation. Allow you to install and disassembly of tapping chucks <br>4、Torsion type tapping chuck can prevent tap from breaking, very durable <br>5、The product is made of high?speed steel material, widely used as CNC tool1 x Tapping Collet