3pcs ER11 CNC Collet Milling Lathe Holder Tool 1 8 inch (3.175mm) 4mm 6mm

Description: These spring collets are made of high quality 65Mn spring steel for CNC milling lathe tool and work holding engraving machine. There are 3 collets of various sizes in 4mm, 1 8 and 6mm . 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 run out tolerance is less than 0.008mm . 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 work holding engraving machine. Specifications : Material: 65Mn spring steel Model: ER11 Range: 4mm, 1 8 , 6mm Height: 17mm OD: 8mm Run Out Tolerance: <0.008mm Package Includes : 3 x Collets