BRAND NEW   DNGA 432 KC910 KENNAMETAL Carbide Inserts (9pcs) 1341   Composition: A thin alumina coating over a hard, deformation resistant substrate. Application: This grade excels in two main application areas; high-speed finishing of gray cast irons, and medium-speed finishing of alloy steels that are in a hardness range of 35 to 50 HRc. The hard substrate prolongs tool life in these applications. The alumina coating allows higher cutting speeds. The TiC layer contributes abrasion resistance, which is important for intended uses. Can withstand light interruptions.   PLEASE VIEW THE PICTURES AND CONTACT ME WITH ANY QUESTIONS FREE SHIPPING! (FREE SHIPPING APPLIES TO UNITED STATES ADDRESS ONLY) MOST ITEMS SHIP WITHIN ONE BUSINESS DAY. WE SHIP EVERY DAY MONDAY THROUGH FRIDAY UNLESS THERE ARE SPECIAL CIRCUMSTANCES. WE PROMISE AN HONEST, FAST AND COURTEOUS TRANSACTION! THANK YOU VERY MUCH AND HAVE A WONDERFUL DAY! please check out our other listings.