10pcsset ER20 High Precision Spring Steel Collet Set CNC Milling Lathe Tool

Description: These spring collets are made of high quality 65Mn spring steel for CNC milling lathe tool and workholding engraving machine. There are total 10 collets of various sizes in on set which can basic meet your need. Collet must be placed into collet chuck nut before inserting into collet chuck. Features: Made from high quality 65Mn spring steel, they are stable in performance. Fine workmanship, good elasticity, high precision and runout tolerance is 0.03mm . Collet must be placed into collet chuck nut before inserting into collet chuck. Each collet is marked clearly so you can easily distinguish them . Great collet for CNC milling lathe tool and workholding engraving machine. Specifications : Material: 65Mn spring steel Model: ER20 Range: 3mm, 18", 4mm, 5mm, 6mm, 14", 8mm, 10mm, 12mm, 12" Height: 30mm OD: 15mm RunOut Tolerance: 0.03mm Package Includes : 10 x Collets .Made from high quality 65Mn spring steel, they are stable in performance Fine workmanship, good elasticity, high precision and run?out tolerance is 0.03mm Collet must be placed into collet chuck nut before inserting into collet chuck Each collet is marked clearly so you can easily distinguish them Great collet for CNC milling lathe tool and workholding engraving machine