5828-0626 5/8 X 1/2" 4 FLUTE TiN SINGLE END CENTER CUT END MILL,END CENTER CUT END MILL 5828-0626 5/8 X 1/2" 4 FLUTE TiN SINGLE, Center Cutting,5/8 X 1/2" 4 Flute Tin Single End Center Cut End Mill, TiN provides high lubricity and facilitates chip flow which reduces heat and edge buildup on the end mill, Flute length is 1-5/8, SINGLE END CENTER CUT END MILL 5828-0626 5/8 X 1/2" 4 FLUTE TiN.