Cutting blade for brush cutter

摘要

An object of the present invention is with the sharpness of the cutting blade can be a long life in the disk-shaped cutting blade, it is to provide a cutting blade for safe brush cutter. In A disk-shaped cutting blade 1 for a brush cutter, so as to form a serrated 5 on at least one side of the cutting blade 3 projecting radially from the substrate 2 of the disc-shaped cutting blade 1, and the It was the tip of the cutting edge 3 in a trapezoidal shape by forming a chamfered portion 6 at the tip sides of the cutting edge 3. .BACKGROUND