[Thông Báo] Thay Đổi Thời Gian Xuất Hóa Đơn VAT từ 12-14/05/2026 do Chuyển Địa Chỉ Kinh Doanh. Xem chi tiết .
[Announcement] VAT Invoice Schedule Adjustment during May 12-14, 2026 due to Office Relocation. See more .
A grinder is a maintenance machine that grinds and polishes the cutting edge of a drill that has become less sharp. There are different types of drills such as chevron drills, candle drills, single letter drills and chamfer drills. Many of the drill grinders that can grind according to their shape are small and easy to carry, and some are fully automatic drill grinders, which automatically grind various drill shapes. In addition, a drill grinder that can grind simply by inserting the chuck into the grinder is useful because it can grind easily and speedily on site. It is necessary to select the optimum grinder according to the drill shape and application. In addition, there are also drill drivers that can re-whet chainsaws.