HHIP SNMG-433 Tin coated C5 carbide face mill insert for turning and milling carbon and alloy steels, tool steel and stainless steel. Square with chip breaker. 0 degree relief angle. Double sided cutting edges. Used for a wide range of materials and applications. ISO insert number is SNMG120412. (Inch) I.C. is 3/16. T is 3/16. Provides a longer life than uncoated grades. Works well in high heat situations and offers wear resistance on alloys, stainless steel and ductile iron.