Collet Chuck Holder Straight Shank Overload Protection Tapping Telescopic Buffer D20?GT12?110L

Feature: 1. Built?in spring can help to reduce wear, extend life, bring higher concentricity 2. The product is a quick?change tap adaptor, possess large compensation function 3. Come with good toughness, strong abrasion resistance, large clamping force, anti?broken wire and anti?chaotic teeth 4. Two?way floating of extendable and retractable, effectively improving work efficiency 5. The product have anti?overload protection function to prevent the tap from breaking Specification: Item Type: Collet Chuck Holder Model: D20GT12110L Material: High carbon steel Purpose: Antioverload protection to prevent the tap from breaking Taper: 724 Hardness: 48 degrees Accuracy: 0.01mm Tapping Range: M3M16 Tool Handle Length: Approx. 110mm 4.3in Size of Chuck: Approx. 19mm 0.7in Maximum Diameter of Tool Holder Taper: Approx. 20mm 0.8in Extendable and Retractable Stroke: Approx. +15mm 0.6inAdapter Chuck: GT12,GT12B,TC312,G3. Package List: 1 x Collet Chuck HolderBuilt?in spring can help to reduce wear, extend life, bring higher concentricity The product is a quick?change tap adaptor, possess large compensation function Come with good toughness, strong abrasion resistance, large clamping force, anti?broken wire and anti?chaotic teeth Two?way floating of extendable and retractable, effectively improving work efficiency The product have anti?overload protection function to prevent the tap from breaking