Dorian Tool TDEX Multilayer Coated Carbide Dovetail Triangle Milling Indexable Insert, 0.0156" Nose Radius, General Purpose Chip Breaker for Ferrous Metals, 1/4" Insert, 5/64" Thick (Pack of 10)

Honed edge gives the insert a stronger edge allowing for a heavier cut whereas a sharp edge might chip. Semi-finishing to light roughing. Used for special applications, copy milling operations, finishing operations, high rate material removal, medium to high cutting speeds, good surface finish.