Lyndex 830-032 R8 Taper Shank Steel End Mill Holder, 1.38" Nose Diameter, 1/2" Hole Diameter

Lyndex R8 end mill holder. Through-spindle coolant capability. AT3 or better taper. Set Screws are included. Back-up screws not included. Ideal for milling and tapping. Quick and easy set up. Featuring the highest taper contact and high quality steel, our end mill holders provide extreme rigidity for even the heaviest machining applications. End mill inner bore T.I.R. less than 0.0002. up to 20,000 rpm speed. 1.38-inches nose diameter, 1/2-inches hole diameter. 1.33-inches length.