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Title: Short working life but cheap
Review: I recently used these cut-off wheels on to remove 4 wheels from a welding bench and although the area to be cut was about 1/2" in diameter it took 4 and 1/2 of the Norton cutoff wheels to remove the four caster wheels from the bench. These are very thin cut-off wheels which is a good thing in that they will fit in tight spaces and cut a minimal amount of material.The material used though wears down rapidly when cutting steel so plan on having a pack or two on hand before starting a job. With the rapid wear the diameter and thus the reach of the cutting wheel is reduced very quickly. You will start out with only 1" of cutting depth and this diminishes rapidly with the Norton cutoff wheel.
