QXKE 7Pcs ER11 1-7mm collets with 5mm ER11A motor shaft holder extension

Features: 100% brand new and high quality Made of high-quality materials durable Hardened and precise soil Built-in self-release design and tools will never get stuck in the stand Wide range of uses such as drilling milling drilling tapping engraving CNC and other processing Used with all standard ER chuck chucks for coolant applied through the tool Each chuck is packed in a separate protective container with a label Product parameters: Material: 40CR steel Color: as shown Chuck: ER11 1-7mm chuck Total height: about 18 mm Outer diameter (maximum): about 11.5 mm Clamping range: 1 mm to 7 mm (1 mm 2 mm 3 mm 4 mm 5 mm 6 mm 7 mm) Suitable for metric tool holder sizes: eg 1 mm chuck for 1 mm metric tool holders 2 mm chuck for 2 mm metric tool holders Extension rod: ER11A 5mm extension rod Height: 39 mm (with lock nut) Shaft hole: 5 mm (+0.02 mm) for installing heating extensions ER11A nut: the maximum outer diameter of the hexagonal nut is 19 mm Package list: 1 *ER11 5mm extension rod 7 *ER11 chuck 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.