突出しセンタがないスパイラルタップはある？ | オーエスジー
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external center spiral fluted tap not there?
No : 522
公開日時 : 2019/02/26 18:10
更新日時 : 2022/06/09 11:51
Normally, there is a protrusion " external center " at the tip of the spiral fluted tap attached to M6 or lower.