Rotary cutting blade for brush cutter

摘要

PROBLEM TO BE SOLVED: To provide a rotary cutting blade for a brush cutter capable of cutting grass more efficiently. A rotary cutting blade (10) for a brush cutter that cuts grass by mounting a blade for mowing on a rotary shaft (6), and mainly has a mounting part for mounting on the rotary shaft (6). A flat plate-shaped rotary main body 12 provided on the outer peripheral portion, and a blade portion 14 protruding from the outer edge of the rotary main body 12 toward the outer diameter side and inclined to form a predetermined angle with respect to the rotary main body 12. The blade portion 14 includes an even number of plate portions 16a to 16d, and the adjacent plate portions 16a to 16d are inclined with respect to the rotary body portion 12 so as to form predetermined angles in opposite directions. Characterize that. [Selection diagram] Fig. 1