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Freud FI100 Replacement 4-Inch 6-Tooth Biscuit Joiner Blade

A sharp replacement blade restores factory-fresh cut quality on any aging plate joiner

✎ PickHonest Research Desk▦ Updated May 2, 2026◷ 3 min read

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Freud FI100 Replacement 4-Inch 6-Tooth Biscuit Joiner Blade
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Freud FI100 Replacement 4-Inch 6-Tooth Biscuit Joiner Blade

Freud

A sharp replacement blade restores factory-fresh cut quality on any aging plate joiner

  • 4-inch diameter, 6-tooth carbide blade
  • Fits Freud and most other 4-inch plate joiners
  • Super microgra in carbide teeth
  • 22mm bore

Pros

  • A sharp replacement blade restores factory-fresh cut quality on any aging plate joiner
  • Super microgra in carbide holds an edge through repeated hardwood slotting
  • Compatible with most popular 4-inch plate joiner brands, not just Freud
  • The correct upgrade for a budget joiner before buying a new tool

Cons

  • Compatibility depends on the joiner model's bore and blade thickness
  • A new blade cannot fully compensate for a poorly designed base joiner's fence
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