Overview Reviews Product Description Cobalt Non-center cutting Bright finish (TiN and TiCN coatings available) Longer overall length / length of cut Truncated knuckle form reduces drag and friction Chip breaker cutting edge allows for heavier cuts and higher speeds / feeds Clarkson Osborn Catalog Product Videos Custom Field Diameter 3/8" Material Cobalt Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 3/8" Cobalt 4 Flute Long Threaded Shank Roughing End Mill MC37024 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *