Description: ER11 0.008mm Spring Collet Made of high grade tool steel Hardened and precision ground. Meets or exceeds Federal specifications Collet must be placed into collet chuck nut before inserting into collet chuck Specification: Accuracy: 0.008mm Cone: 16 degrees Diameter: Approx.11.5mm / 0.45inch Height: Approx. 18mm / 0.71inch Clamping size: 3mm-7mm Color: Silver Material: 65 Steel Package Includes: 5 Pieces of ER11 Milling Spring Collet(3mm,4mm,5mm,6mm,7mm)
