LYUMO CNC Tool Holder 0.005mm High Accuracy Machining Center Milling Arbor BT30‑ER11‑70 with Wrench Machining Center Milling Arbor Industrial Supplies

Feature: 1. HIGH SURFACE HARDNESS: Adopt 20CrMnTi steel material quenched and hardened possess high surface hardness and strong wear resistance 2. FINE CONTROL PROCESSING: The inside and outside of the tool holder are integrally formed. Fine control processing bring more stable performance and high concentricity 3. HIGH ACCURACY MACHINE TOOL PROCESSING: After inner hole ground treatment suitable for high accuracy machine tool processing and has a longer life than ordinary tool holders 4. CARBURIZING AND QUENCHING PROCESS: Adopt carburizing and quenching process the hardness is higher the fatigue resistance of the interface is stronger and more durable 5. 0.005MM HIGH ACCURACY: The clamping range from 1‑7mm and the accuracy is equal or less than 0.005mm very trustworthy. 10000rpm speed can realize fast operation Specification: Item Type: CNC Tool Holder Product Material: 20CrMnTi + carbon steel Product Model: BT30-ER11-70 Tool Handle Taper: 7: 30 Chuck Specification: ER11 Clamping Range: Approx. 1 ~ 7mm / 0.04 ~ 0.28in Tool Handle Working Length: Approx. 70mm / 2.76in Accuracy: ≤0.005mm Hardness: >HRC56° Speed: 10000rpm Rough Surface: ≥0.8mm Package List: 1 x Tool Holder 1 x Wrench 1 x Storage Box Note: Please select according to the installation specifications.