CM3146 - 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 – 3.25″ (82.5mm)Inner Diameter – 1.03″ (26.1mm)Width – 1.54″ (39.1mm)Weight – 2.48 lbs (1.12 kg)Materials – SAEĀ steel, tungsten carbideTip Shape – RectangularNumber of Points/Edges – 6Shaft Size – 3/4″, 7/8″, 20mm, 22mm