1/4″ Down-Cutting Bit Endmill For CNC Routers


The 1/4″ down bit, the workhorse of CNC router bits! This will be your first go-to bit with your CNC router. You will want to make sure it’s a good one.

  • Cutting diameter: 1/4″ (0.25 inches)
  • Shank: 1/4″ / Length: 2.51″ / Flutes: 2 / Flute length: 1.0″
  • 100% carbide, lasts 50x longer than traditional CNC router bits
  • Made in the USA

In stock


The 1/4″ down-cutting bit (a.k.a. down bit, down cut bit, downcut bit) is the workhorse of CNC router bits! You will almost always make this the first on your machine. Why?

2 reasons…

  1. The 1/4″ down bit removes the bulk of the material in pockets and around letters.
  2. It does all the cutout work for finished projects.

A third reason is, most CNC routers are set up for 1/4″ bits, so it is the reasonable go-to for your work. This is why it is standard practice to have two 1/4″ down-cutting router bits in the rack.

For these reasons, you want to make sure your 1/4″ down cutter is made right & built to last. That’s why these are made above industry standards and 100% tungsten carbide.

Carbide is what professional metal machinists use to make complex items like car engines. It stays sharp 50x longer than conventional CNC router bits.

Order your workhorse 1/4″ down-cut bits today.

Made in the USA


  • Cut diameter: 1/4″
  • Shank: 1/4″
  • Length: 2.51″
  • Flutes: 2
  • Flute length: 1″
  • Material: 100% carbide


  • Feed: 40-70 inches per minute
  • Speed (rpm): 13000-16000
  • For CNC’s with routers, use full speed

Additional information

Weight 4 oz
Dimensions 9 × 7 × .5 in


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