Feature: 1. Composed of a main body and a tapping socket. The main part has a front and rear pitch compensation device. The tapping clamp state has two types of overload protection and non‑protection 2. Come with overload protection, when the chuck is tapped, just adjust the nut to obtain different slipping torsions to prevent the tap from breaking, which is convenient and quick 3. Tightly clamped with high stability, wear‑resistant and durable 4. The collet chuck holder is easy to install and remove, and the operation is simple 5. Come with floating, telescopic and quick‑change function, widely used in CNC machining centers, drilling machines, lathes, CNC/milling machines, boring machines and tapping machines, etc. Specification: Item Type: Collet Chuck Holder Model: MT2-GT12-110L Material: High speed steel Tool Handle Hardness: 58-60 degrees Accuracy: 0.002mm to 0.008mm Purpose: Anti-overload protection, stop tap breakage Advantages: Anti-overload protection, the tap will automatically slip when reaching a certain torsion to prevent the tap from breaking; has the functions of floating, telescopic and quick-changing Function: Used for clamping straight shank taps, used for tapping processing Application: Used for tapping processing; widely used in CNC machining centers, drilling machines, lathes, CNC/milling machines, boring machines and tapping machine tools, etc. Tool Handle Length: Approx. 110mm / 4.3in Size of Chuck: Approx. 20mm / 0.8in Maximum Diameter of Tool Holder Taper: Approx. 19mm / 0.7in Applicable Chuck: GT12，GT12B，TC312，G3 Interface Location: GT12 Size: Approx. 19mm / 0.7in. Package List: 1 x Collet Chuck Holder