Heat Treatment: The vacuum quenching furnace is used for heat treatment to improve the hardness of the tool handle, which can effectively eliminate the residual internal stress in the grinding process. Convenient Replacement: The v-shaped groove is designed to be balanced, meet the requirements of industrial standards, facilitate tool replacement, and reduce the maintenance of the spindle and tool replacement. Purpose: CNC lathe/milling machine, drill and heavy hand tools. Made of all steel, durable, stable in quality and long in service life -After quenching and grinding, ensure maximum accuracy and high concentricity -Precision chuck design, easy to use, convenient tool change, reduce maintenance of spindle and tool change -It is used on the CNC machine tool of the machining center to connect the connector of the machining center and lock the cutter head.2 x Collet Chuck CAT50-ER32-100. 9.65 x 9.25 x 5.31 inches. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks". The seller is "achstore" and is located in this country: US. This item can be shipped to United States.