MAGMA T-Slot Milling Cutter | 8 + 1/4 Shank


The perfect bit set for any DIYer

These bits will allow you to create a beautiful tongue and groove assembly on your wood that will last for years.

To use, just drill down into your wood to create the groove and then simply run the next bit along the groove to create the tongue.

The MAGMA™ T&G T-Slot cutter is a complete Tongue and Groove assembly solution for your woodworking router.

C3 Carbide Tipped

Matched Tongue and Groove Assembly with 3 Flutes to generate a more balanced cut.
Micro grain grade provides increased strength and utmost resistance with this set.


  • Useful handmaking a drawer or other woodworking. 
  • Industrial high-quality router bits. 
  • Solid hardened steel bodies with anti-kickback design. 
  • Build-up & heat-resistant Teflon coating. 
  • High hook & shear angles alloy
  • Smooth slices into stock producing clean, splinter-free. 
  • Totally enclosed & lubricated. 


  • Item: 8mm Straight Shank T-Slot Cutters
  • Material: Tungsten Cobalt Alloy
  • Carbide tip: YG6X
  • Shank Diameter: 8mm / 0.32"
  • Balance: +/- .003" tolerance 
  • Body: Solid Hardened Steel 
  • Blade: Industrial grade micro grain carbide 
  • Cutter: CNC ground to a 600 grit, mirror-like finish


Package includes

  • 2 x MAGMA™ T&G T-Slot Milling Cutter


Cornerket™ understands that not every purchase is perfect and we want to make sure you're taken care of! We offer easy returns for all domestic and international orders within 30 days of delivery, just send us an email at and we'll be happy to assist you.


It's more important than ever to be able to try new things without risking your money. That's why at Cornerket™, we're proud to offer you a 30-day guarantee on our products with no risk. We've spent the time so you don't have to. If you don't love what you experience with our store, just let us know within 30 days, you
send it back and we'll refund your order so you can buy something else!

We've got you covered. Shop at today for a risk-free, hassle-free month.

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