TNMG-432-DM Black Diamond Coated Carbide Insert ~ I.C. is 1/2″. ~ L is 7/8″. ~ S is 3/16″. ~ d is 13/64″. ~ r is .0315. ~ ISO Insert No. is TNMG220408DM. ~ Grade XAB748 is made of thick TiCN and Al2O3 coating which has a high anti-plastic yield and cutting edge strength and is a preferred universal grade from steel finishing to roughing. ~ It holds steady in tough cutting conditions and can be used for dry-cutting. ~ The cutting speed can increase more than 25% under the same cutting conditions and they will last 30% longer at the same cutting speed. I.C. is 1/2″. L is 7/8″. S is 3/16″. d is 13/64″. r is .0315″.
