... top teeth,teeth bevel,bevel gear. Round Saw Blade Knife Grinder Model GD-127B Feature: This machine mainly used for ... bevel, bevel gear. Parameter: Diameter of grinding Saw blade:Φ105~Φ630mm Applicable Grinding Saw Blade Aperture:Φ20, Φ22, Φ25.4,Φ30, Φ40 ...