| 摘要 |
PROBLEM TO BE SOLVED: To impart versatility responding to a material to be cut having various thickness to one circular saw, to sufficiently ensure thickness required for ensuring strength of the circular saw, and to eliminate clogging due to chips. SOLUTION: A circular saw is provided, wherein a right cutting edge 21 is positioned close to a right disk surface 11 of a body 1 in an axial direction of the body 1, and a left cutting edge 22 is positioned close to a left disk surface 12 in the axial direction, and saw teeth 2 are continuously arranged between the right cutting edge 21 and the left cutting edge 22 in the axial direction. Therefore, if the number of teeth is increased, contacting points of the circular saw with a material to be cut are not increased to prevent increasing of a cutting load. The position of saw teeth are varied to right and left, thereby ensuring the large thickness of the body 1, producing a room for passing chips through to reduce clogging due to the chips.
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