CM2151 - 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 – 0.79″ (20mm)Width – 0.87″ (22mm)Weight – 0.75 lbs (0.34 kg)Materials – SAE steel, tungsten carbideTip Shape – RectangularNumber of Points/Edges – 6Shaft Size – 5/8″, 3/4″, 14mm, 20mm