E outstanding ER11 Spring Collet 2PCS 1 8 Inch and 1 4 Inch Chuck Collet for CNC Milling

Product description Specification: Model: ER11 Material: 65Mn Spring Steel Size:1/8Iinch ,1/4 Inch(Clamping Diameter) Outside Diameter:11.5mm/ 0.45Inch Height:18mm/0.71Inch Package included: 2 PCS CNC ER11 Collet(1PC for Each Size) Feature: Performance stability, high accuracy. Built in self-Release design and tools wil not get stuck in holder. The collet is a mounted on the drilling machine drill chuck, used for clamping drill, milling cutter, such as parallel shank tools.