[100mm Dia x 40mm x 1-1 & 4 Bore Steelhead]
Profile Pro black oxide solid steel cutter heads in 100mm or 120mm diameters, #61220, (D) Diameter: 100mm (4), (d) Bore: 1-1/4, (B) Cutting Height: 40mm (1-1/2), Ideal RPM: 5800/9000, 61220 Insert Carbide 2-Wing Profile Pro 100mm Dia x 40mm x 1-1/4 Bore Steelhead