The first time I used a dato blade on my new TS2412 (only six weeks old), I did experience the blade dropping on me as I did my datos (about two dozen 3/4" wide, 3/8 deep datos). I've used the saw often since then, with both the standard blade and dato blade, but I only had the problem that one time. A side-note: Since that first dato experience, I've not been able to get my blade back to parralel with the miters. I've emailed Rigid and am waiting for a reply.
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Gregf
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