SL20-ER20-80L Lathe Extension Rod Straight Shank Tapping Tool Holder Floating Tap Telescopic Type

1、ER straight rod type extended collet shank, longer shank is suitable for deep hole processing 2、Can reduce the use of lengthened tools, reduce costs and improve efficiency 3、The nut is directly tightened, with high rigidity and strong holding force 4、The outer diameter of the extension rod and other parts are accurately ground to eliminate the imbalance and increase the stability during cutting 5、Can be used for CNC lathes, milling machines, drilling machinesItem Type: Collet Chuck Holder Model: SL20-ER20-80L Material: High speed steel Purpose: CNC lathe, milling machine, drilling machine Shank Diameter: Approx. 20mm / 0.8in Adapter Chuck: Approx. 20mm / 0.8in Handle Length: Approx. 80mm / 3.1in1 x Collet Chuck Holder 1 x Bolt