How to grind the worn bit by hand? First of all, we should observe the wear of the two main cutting edges of the drill. If the degree of wear on both sides is different, the wear on one side is slightly higher than that on the other. More attention should be paid to grinding. […]
Universal Tool Grinder
The motor could be rotated in 360°, increasing the grinding range. With variety of option attachments (such as 50B, 50C, 50D, 50E, 50K, 50H, 50S, etc.) could be provided for different purposes, grinding fast with high accuracy.