One of the most dangerous wheels is the Speed Cut a 6" wheel. It is really thin any flex and they will come apart I have had them come apart cutting S/S and also just getting ready to cut by turning it on. I had a neighbor who used to put Brick Blades on his cutoff saw as they cut steel really quick. He wore a scar form the wrist up to the upper arm muscle. It opened up a cut from his wrist to the upper muscle to the bone three inches wide just like you filet a fish. Be careful on what type blades you buy. just my thoughts here gentalman.
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Don