● Woodworking · Review

Freud 04-100 1/8-Inch Double Flute Straight Bit

TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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Freud 04-100 1/8-Inch Double Flute Straight Bit
Best Overall

Freud 04-100 1/8-Inch Double Flute Straight Bit

Freud

TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service

  • 1/4-inch cutting diameter
  • TiCo carbide
  • Two-flute design
  • 1/4-inch shank

Pros

  • TiCo carbide is harder and stays sharper longer than standard carbide in straight bit service
  • 1/4-inch diameter is the most commonly needed groove width for shelf pins, small dadoes, and slots
  • Two-flute design provides clean cut walls and good chip clearance
  • Freud 04-100 is the reference recommendation for general straight bit purchases

Cons

  • 1/4-inch diameter only -- one size
  • Need to buy multiple bits or a set to cover different groove widths
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