| 摘要 |
PROBLEM TO BE SOLVED: To provide a cutter with a chamferring jig wherein the jig is mounted on the tip of a cutter so that chamferring can be made on a plaster board or the like. SOLUTION: To a tip pf a cutter body 2 a jig 1 having a proper angle is mounted, and using it as a guide chamferring is implemented.
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