026 2 Flute Carbide Endmill Micro Ball Nose ALTIN Coated It is exceptional in difficultto machine materials where adhesive wear is particularly high. This coating is extremely heatresistant and can be used with or without coolant.These Kodiak Cutting Tools® micro ball nose two flute carbide end milling cutters feature a 30 helix angle and are center cutting for plunging, slotting and profiling.0005-.