SpeTool 3 Flute 1/4 inch Dia Extra Long Tool Life Coated CNC End Mill
SpeTool 3 Flute 1/4 inch Dia Extra Long Tool Life Coated CNC End Mill
SpeTool 3 Flute 1/4 inch Dia Extra Long Tool Life Coated CNC End Mill
SpeTool 3 Flute 1/4 inch Dia Extra Long Tool Life Coated CNC End Mill

SpeTool 2pcs A02002 SPE-X Extra Tool Life Coated CNC SC Spiral Aluminum Cutting 1/4" Dia x 3/4" Cutting Length x 1/4" Shank x 2-1/2" Long 3 Flute Up Cut Router Bit

SKU: AU3E-D1/4-2Pcs-STaC
Sale price$22.99 USD

Shipping calculated at checkout


Solid carbide up-cut spiral router bits designed for precise and efficient aluminum machining. Fast chip evacuation, reduced heat, and smooth finishes ensure long tool life and high-performance results for CNC routers and non-ferrous materials.

Excellent For Cutting:

  • Acrylic
  • Brass
  • Copper
  • Aluminum
  • Bronze
  • Non-ferrous Metal

TOOL SPECS: Solid carbide, 3-flute, up-cut spiral with 1/4" cutting diameter, 1/4" shank, 3/4" cutting length, and 2-1/2" overall length for use in routers with a 1/4" collet.

 TAC Coating: Enhances cutting-edge sharpness and lubricity, reducing heat and oxidation buildup. Delivers superior cutting quality and durability—lasting up to 2.5 times longer than uncoated bits.
13 in stock
Quantity:
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Frequently Asked Questions

Up-cut spiral bits help lift chips away from the workpiece, improving chip evacuation and preventing gumming—this is especially important when cutting aluminum。

Single flute bits offer excellent chip clearance for aluminum, while 2–3 flutes can balance clearance and rigidity. Many users prefer single or 2-flute for better results。

Yes—using compressed air or mist helps cool the bit and clear chips efficiently. Many users pair it with a dust collector。

Even trying various cutter types (straight, 2- or 4-flute) doesn’t always eliminate chatter—it often reflects machine rigidity issues more than tool choice

Avoid down-cut or straight-flute bits when machining aluminum; they tend to cause gum buildup and poor chip evacuation.

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