DIN69871/SK mta morse taper chuck tool holder with tang for cnc mill machine ,SK Morse Taper Adapter,SK Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly SK30 SK40 SK50... Etc.. Mold industry, and high-speed engraving machine, used more. Application range: cutter used in the radial drive groove, such as face milling cutter, vertical disc cutter, set type end mill.SK30,40,50 MTA Morse Taper Adapter, suitable for clamping type DIN228-1A with flat tail Morse tool holder. high speed and high precision machining Mechanical spindle and cutting tools and other accessories.High Precision SK shank Tool Holder ,balanced G6.3 or G2.5 For choose.

SK Morse Taper Adapter Specifications 
SK30/SK40/SK50-MTA is the type with flat tail handle, MTB Mo without flat tail shank and TSA transition sleeve handle series
(1) the concentric degree and the precision jump are less than 0.005MM, and can guarantee this accuracy under the high-speed operation, and the accuracy can be guaranteed in two years..
(2) handle have cold design center, flange outlet design.
(3) taper shank accuracy less than at3, H4 tolerance zone, and machine tool spindle with the good, in the high-speed operation, can very good protection of spindle and cutting tool to extend the spindle and cutting tool life.
(4) handle material with chrome molybdenum alloy steel