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Top 5 Positive Customer Reviews for 14 ミリメートル 8 ミリメートル
bit seems to last some time when will cut in several passes in depth. I dont know if it will last eternity when cutting the full depth compared to spiral ones, but this is not my case. diameter is 10mm and shank is really 8mm. my planned usages is precut it with 8mm spiral as much as possible and then clean the rest with this bit to exact diameter in one pass.