Every time I install my table saw blade it is a little wobbly, is there a proper way to install a blade? Should I have the table saw on it's side and put it on? What am I doing wrong.

The saw is a Rockwell Shop Series 10" Table Saw.

  • 1
    Have you checked that your blade arbor is clean? If so, and if you are tightening the nut properly, and the blade itself isn't bent, I'd worry about a bend in the saw's drive shaft. Or worn-out bearings.
    – keshlam
    Apr 6, 2016 at 14:51
  • 1
    You can correct for wobble using shims, if you've ruled out all the other culprits. Sometimes cheaper saws just don't have the fit and finish and need a little tweaking.
    – grfrazee
    Apr 6, 2016 at 15:19
  • 1
    Please tell us a little more. Is it a cabinet or portable tablesaw? New or old? Maybe make and model? How much does it wobble (approx.). Does the blade lie flat on the table surface when removed?
    – Ashlar
    Apr 6, 2016 at 15:27
  • I own the Rockwell® Shopseries™ 10" Table Saw. It was in my budgit... new. recent model, a good amount... the wood vibrates across the top... even with the old blade in
    – Ljk2000
    Apr 6, 2016 at 15:38
  • 2
    Have you seen the video and info from Matthias Wandel on arbor runout? Check this page and video. Its pretty well done. Note a dial indicator doesn't cost a lot of money...
    – zipzit
    Apr 6, 2016 at 17:35

1 Answer 1


This sounds like a problem with the fabrication or assembly of the saw so there may not be a correct answer. I am concerned that the saw may not be safe so I am answering this with a few recommendations on how to verify it's safety.

Reviews of the saw on sites like Amazon are not very complementary. If you can return it I would consider doing so. If not...

  • Check the blade for flatness. If you lay it on its side on a flat surface does it lie flat all around? Try using another blade in the saw to see if it wobbles the same way.
  • Check the mountings of the motor to the housing to make sure everything is secure. Tighten up everything you can.
  • Rotate the shaft (unplugged) to see if it is bent. If it is then the shaft must be replaced. I can't tell from the manual whether this requires a new motor or not.
  • If the wobble is slight, try shimming the blade as suggested by grfrazee in his comment. I'm not sure how this is done so you might ask another question to get more info.
  • 1
    Check the blade for flatness. Depeding on tolerance for flat you would have an issue if the teeth were larger than the blade. Resting a ruler across gullets would compliment findings well.
    – Matt
    Apr 7, 2016 at 12:26
  • Okay, so I need to check the teeth then? Because they might be different sizes all round?
    – Ljk2000
    Apr 8, 2016 at 15:04

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