American Carbide Tool Carbide-Tipped Square Nose Utility Tool Bit, Neutral, K21 Grade, 0.5" Square Shank, C 8 Size C-style, also called square nose, tool shape has 0-degree end cutting angle for forming, turning, facing, chamfering, and grooving Kennametal K21 grade uncoated carbide tip for general-purpose machining of steel and steel alloys Neutral cutting direction for right-to-left or left-to-right feed Positive rake angle provides a sharp edge for making continuous cuts Square steel shank fits square toolholders