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SESK: Stuff Everyone Should Know · sesk.info/wood-jointer-3in

OSHA's eTool says to use hold-down push blocks when jointing wood narrower than what?

Narrower than 3 inches.

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  1. 1 inch
  2. 3 inches ✔
  3. 12 inches

Why: When stock is narrow, your hand would be near the cutterhead. Hold-down push blocks keep the board flat and your fingers away. OSHA also warns deep cuts increase the chance of kickback.

Huh, didn't know that: OSHA notes injuries occur when fingers ride along the surface of the jointer during feeding.

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References

Answer: 3 inches. When stock is narrow, your hand would be near the cutterhead. Hold-down push blocks keep the board flat and your fingers away. OSHA also warns deep cuts increase the chance of kickback.

  1. OSHA Woodworking eTool Jointers www.osha.gov/etools/woodworking/production/machines-tools/jointers
    Use hold-down push blocks when jointing wood narrower than 3 inches.
    Checked 2026-10-10.

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