Hot Selling Sharpening carbide saw blades for Sale With hub or without hub Specification: Outside diameter from 40 to 300mm;Thickness from 0.2mm to 6 mm;Inside hole diameter: 32mm/25.4mm Material: solid carbide with hardness around HRA92 Tolerance:DIN 1837/DIN1838 Application: It is mainly used for cutting off and slotting harder metal materials stainless steel, titanium alloys and printed circuit board.