SPKN-1203EDR Right Hand Coated Carbide Face Mill Insert ~ I.C. is 1/2″. ~ L is 1/2″. ~ bs is 0.055″. ~ be is 0.039″ ~ S is 1/8″. ~ 11 degree relief angle. ~ Grade XAB699 inserts are CVD all round coated cemented carbide. ~ Optimized for steel milling, but also a good solution for nodular cast iron. ~ This grade provides an economic solution in medium to long series production. I.C. is 1/2″. L is 1/2″. bs is 0.039″. S is 1/8″. 11 degree relief angle.