4-1/2 x 1/4 x 7/8 Depressed Center Grinding Wheel Type 27
This type of wheel is great to be used on ferrous metals (steel, iron, welds, etc.) and has a softer bond for improved grinding time and reduced operator fatigue. Lightning grinding wheels are a great blend of material removal and wheel life. These are a good choice for applications where versatility of material type and fast removal rate are important.