GD-01A Precision Outer Diameter Punch Grinder Machine (Manual step grinder) - Смотреть видео или скачать видео в MP4, музыку MP3 на телефон или компьютер
GD-01A Precision Outer Diameter Punch Grinder Machine,It is a precision manual step difference grinder,The precision can reach 0.002mm, and it is widely used for processing the outer diameter of workpieces such as grinding punches, positioning pins, hardware tools, etc. www.qdgrinder.com