Double Cut: Designed for creating a small chip and excellent workpiece finishes. the small chip helps to eliminate loading of the flute. Single Cut: Designed for rapid stock removal and good workpiece finishes. For general use on steel, steel alloys, cast iron, cooper and brass. Diamond Cut: Designed for creating extreemely small chips as power-like chip; excellent operator control on heat treated and tough alloy steels. Exceedingly convenient application by user. Specifications: Shape: Cylindrical-End Cutting Available for shape ZYA,ZYAS, WRC, KUD,TRE, RBF, SPG, FLAME, KSJ, KEL, SKM, KSK, WKN DIN8033 Standard: ZYAS1225 CUT LENGTH: 25MM CUT DIA.: 12MM SHANK SIZE: 6MM Coated Available surface coating: TiN, TiCN, TiAln, different coating can make longer tool life. Certificate: ISO9000:2008 Individual packaging