a heavy-duty tool! The 9-inch (or 1$230 \text{ mm}$) angle grinder is the largest size commonly used and is reserved for the toughest jobs, such as cutting heavy steel, concrete, or deep grinding welds.2 Dewalt offers several models in this size, with power ratings typically ranging from $2000 \text{W}$ to over $3000 \text{W}$ (or up to $4.9 \text{ HP}$ equivalent).






