Dedicated cone for embedding bolts head, nuts, washers, etc. [Use] Dive for embedding bolts, nuts, washers etc. [Features] Suitable for round washers and guide into the bottom hole and easy to do zagging. [Caution] *Please use with electric tools of 1,000 - 1,500 rpm.
●ボルト·ナット·座金の埋め込み用に