Goodhd Precision ER 11 16 20 A 25 32 40 UM Collet Chuck Holder BT 30 40 Taper Shank CNC

Features: brand new and high quality Made of high-quality materials durable Precision ER 11 16 20 A 25 32 40 UM Chuck Tool Holder BT 30 40 Taper Shank CNC Hardening and precision grinding Suitable for popular ER chucks Designed for ultra-high-precision and high-speed applications Product parameters: Material: Alloy steel 20CrMnTi Hardness: HRC 58-62 Maximum speed: 30000rpm Runout: about 0.005mm Optional specifications: BT30-ER11A-70 BT30-ER16A-70 BT30-ER20A-70 BT30-ER25UM-70 BT30-ER32UM-70 BT30-ER40UM-80 BT40-ER11A-70 BT40-ER16A-100 BT40-ER20A-100 BT40-ER25UM-100 BT40-ER32UM-100 BT40-ER40UM-100 Package list: 1 * Chuck handle Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.