I've owned and used some grizzly, jet, and bridgeport metalworking machinery. I'm not an expert, but the grizzly was no where near as well put toegether or accurate as the jet... The jet was a BIG step up.

That said, this was for CNC machining, and I ended up trashing the grizzly acme screws and putting ball screws on it with my motors. That single change improved the grzzly 100x.

For things that are less precise, (sanders?) It might not be a bad deal; I put a couple thousand hours on the grizzly machine, and it still runs pretty good with brush replacements. I buy brushes at my local electic motor shop.

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