I've had this old chop saw for over 20 years. It keeps on working. There has been an influx on newer saws that use metal cutting blades. Those saws can be quite expensive. I found a way to make my old saw perform close to the new ones. Adding a Diablo blade, and speed control worked wonders.
Diablo blade: https://amzn.to/2RrxLvh
Speed controller: https://amzn.to/2Rugq4Z
My Amazon page: https://www.amazon.com/shop/jodaddysg...

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Note: This video is shown only as a concept. Your results may vary. I am not an electrical engineer, and I take no responsibility for anything that happens with your saw. Each saw is different, and it's your choice to try this. I use this saw occasionally and I only cut mild steel.