SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill
SpeTool Carbide 1/8 Inch Dia Spiral Down Cut Router Bit CNC End Mill

SpeTool W04038 SC Spiral Plunge 1/8" Dia x 1/8" Shank x 3/4" Cutting Length x 1-1/2" Long 2 Flute Down-Cut Router Bit

SKU: 5PCS SP-D1/8-1/8-D
Sale price$18.99 USD

Shipping calculated at checkout


A down cut bits push chips downward, delivering smooth top surfaces with minimal tear-out — ideal for plywood, hardwood, and laminated boards. Made from solid carbide for durability and precision, they’re perfect for joinery, grooves, and clean-edge cuts where surface finish matters most.

Excellent For Cutting:

  • MDF/HDF
  • Plywood
  • Melamine
  • Laminate
  • Softwood/Hardwood
  • Veneered Plywood

TOOL SPECS: Solid carbide, down cut spiral with 1/8" cutting diameter, 1/8" shank, 3/4" cutting length, and 1-1/2" overall length for use in routers with a 1/8" collet.

12 in stock
Quantity:
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Frequently Asked Questions

A bit designed to push chips downward, resulting in a clean top surface with minimal tear-out.

  • Down-cut: smooth top surface, rougher bottom
  • Up-cut: clean bottom edge, risk of top tear-out
  • Straight: general-purpose, less chip evacuation efficiency

Plywood, laminates, veneer, and finish-grade panels where a clean top surface is crucial.

When the top surface will be visible and needs to be perfectly clean (e.g., dados, grooves, or templates).

Not ideal. Downward chip compression can cause clogging and heat buildup in deep cuts.

They can if chip evacuation is poor. Use multiple shallow passes and proper feed rate to avoid it.

Make shallow passes and avoid pushing the bit too fast. Ensure your router is powerful enough.

Yes, especially when the template is on the top surface — it helps prevent tear-out along the template edge.

You can, but remember the chip direction will push back toward the workpiece, so dust collection and safety are key.

Poor chip ejection on deep cuts. Not ideal for cutting all the way through thick material.

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