2024 Big sale Collet Chuck Holder Straight Shank Extension Rod CNC Lathe Machine Tapping Tool SL32ER2580L

1、Internal cooling through hole and the central through hole design conducive to water cooling 2、Anti?vibration and more anti?bending helps for reducing the use of long knives 3、Advanced vacuum quenching furnace can realize carbon and oxygen co?permeation to increase the hardness of the tool shaft and enhance the lifespan 4、Hex nut is convenient for clamping loading and unloading more convenient possess high rigidity strong clamping force 5、Can allow you to reduce the use of lengthened tools good for reducing costs and improving efficiency 6、UM type ER extension rod is tightly fitted with fine teeth. The size of ER chuck used for mounting is different and the size of nut is also different 7、Accurately ground outer diameter of the extension rod and other parts eliminate the imbalance and increase the stability during cutting