What Is The Best Grinding Wheel For Tool Steel
32a46-h8vg — norton general purpose tool room grinding wheel. 32a is norton’s proprietary type of aluminum oxide, known as alundum; 46 specifies the grit size.the smaller the number, the coarser the grit. h is the grade or hardness.the lower the letter alphabetically, the softer the.3m™ green corps™ type 27 depressed center wheel is a grinding wheel designed for heavy stock removal on most materials, including ferrous metals, stainless steels, alloy steels and cast iron. designed for your toughest grinding and cutting applications, 3m™ grinding and cut-off wheels.