Drill Bit Sharpener, Portable Drill Grinder Diamond Drill Bit
3. Diamond drill bits sharpener can be used directly with electric drill. The sharpness of the drill can be maintained at any time, and the utilization rate of the old drill can also be improved. 4. Our products have three pink corundum grinding wheels for replacement to cope with normal wear and tear. 5.
Drill Bit Sharpener Portable Diamond Drill Sharpening Tool
Drill Bit Sharpener Portable Diamond Drill Sharpening Tool Corundum Grinding Wheel for Iron-based Drill Bits Fit Width Range With 1 Wrench 2 Extra Snap and 3 Sharpener Stone - - Amazon.com
Brown Fused Alumina Type
Brown Fused Alumina, the name is also called Brown corundum , with three kinds of raw materials alumina, carbon material and scrap iron in arc furnace melting reduction and made of brown alumina.