Hi guys, Welcome to the Advanced Video Search Engine, and you are watching YG-1 Cutting Tools | [Threading] SynchroTap_for High-Speed Tapping. That video is uploaded by YG-1 CO., LTD. at 2019-01-24T20:49:18-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [jk3ECJEVtdY]