CM2150 - 6-Edge Carbide Milling Cutter Select this tungsten carbide milling cutter when removing cold plastics, thermoplastics, pre-form tapes, epoxy, paint, and more from concrete or asphalt surfaces. Specfications Specfications Outer Diameter – 2.25″ (57.1mm)Inner Diameter – 0.68″ (17.2mm)Width – 0.87″ (22mm)Weight – 0.78 lbs (0.35 kg)Materials – SAE steel, tungsten carbideTip Shape – RectangularNumber of Points/Edges – 6Shaft Size – 1/2″, 9/16″, 12mm, 14mm