Diamond Cut Burrs: For cast iron, carbon steel, stainless steel, Ti and Co alloys, composites and high density fibreglass.
Shape N is an inverted cone carbide burr. Designed to help bevel edges under a lip or for getting into the awkward corner in the bottom of a tank or vessel.
The burr head is 12.7 mm diameter at the widest point and 12.7 mm in length. total overall length 57 mm
Note: The N shaped tungsten carbide burrs do not have an end cut.