Maybe a bad batch? Lots of broken teeth.

Pretty disappointed -- I've been getting lots of broken teeth. Perhaps a bad batch? I've been cutting mild steel -- I take it slow to keep everything cool, good clamping of workpiece, steady straight strokes, etc (reasonable cut rate, maybe 40 strokes/minute, blade hardly gets warm, never hot). At some point, the saw begins to 'hang' at a specific part of the stroke, then eventually a tooth breaks off (or several). I haven't seen breakage like this before. Maybe just a bad batch? Bummed.

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