Features:-- Resin bonded diamond abrasive wheel, conical side clad type.-- Black sand layer is sharpened than red sand, surface hardness is lower than red sand. Black sand is of the best quality.-- High quality resin binder, simple grinding operation, good material removal rate, while maintaining low thermal impact on the workpiece.-- Grinding carbide turning milling cutters and milling cutters, sharp carbide cutting tools, suitable for grinding carbide tool heads.Scope of applicationMaterial: diamond/resinSize: 100/125/150mmAperture: 16/32mmThickness: 5mm/8mmQuantity: 1pcsMainly used for grinding hard alloy, hard steel, stone, metal, high hardness alloy tool and hard alloy saw blade, sawtooth grinding, etc.Package Included:1x diamond grinding wheelNotes:-- After receiving the package, please carefully check the number, appearance, shape and model number of the items in the package and then compare them with the primary items.-- Pure manual measurement, there may be 1~2mm error, please understand. thank you-- Please feel free to contact us if you have any questions.