Model # DR63162

Internet #100660679

Store SKU #806102

Store SO SKU #315129

Diablo 1/4 in. Carbide Slot Cutter Router Bit


1/4 in. Carbide Slot Cutter Router Bit

  • 3-wing slotting cutter
  • Produces slots and gooves 9/16 in. deep
  • Ideal for T-moldings, spline joints, tongue and groove joints
$2697 /each
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Frequently Bought Together

Product Overview

The Diablo 1/4 in. Carbide Slot Cutter Router Bit is ideal for cutting tongue, groove and spline joints in wood surfaces. Crafted from carbide and titanium for durability, the bit features a Kick-Back Reducing design for a safe, controlled cut.

  • Requires a minimum chuck size of 1/2 in.
  • Delivers a safe, controlled cut ideal for cutting tongue, groove and spline joints
  • High-density carbide body with a titanium construction for a long cutting life
  • Kick-back reducing design
  • Tri-metal brazing for impact resistance



Cut Diameter
2 in
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Bit Material
Number of Pieces
Router/planer type
Slot cutters
Shank Style
Shank Style
Tools Product Type
Power Tool

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Customer Questions & Answers

Can slot depth be adjusted with a fence?

If a router table is used, can the slot depth be adjusted to as little as 3/16" by adjusting the fence? Alternatively, is it better to cut a drawer bottom slot with a slot cutter or a vertical bit and adjust the height along a fence?
Asked by: NewRouter
There are two dimensions to a slot cutter, width of cut (thickness of cutter) and depth of cut (how deep is the slot). The cutter thickness is fixed, however the depth of cut can be adjusted either by changing the bearing diameter or using a fence so the work doesn't make contact with the bearing. A fence will work for straight pieces, but for a curved piece you will need to swap out the bearing.
Answered by: M13R18G7
Date published: 2017-03-23

My table router combo is at a fixed 27,000 RPM's....what bit is if this bit isn't over a 27,000 max?

What slot cutter bit will work for a 27,000 RPM fixed router? Looking to install biscuits into a table top. Thanks!
Asked by: Vigorwicz
Hi, Vigorwicz - Unfortunately, 27,000 RPMs is much too fast for a slot cutter. Our slot cutters have outside diameters of about 2”, so the max recommended RPM is 16,000.
Answered by: DiabloProductExpert
Date published: 2016-08-13

Is this a 2 wing or 3 wing cutter

I can't tell by the picture how many cutters it has. I'm looking for a 3 wing.
Asked by: Bubba
This bit is a 3 wing slot cutter.
Answered by: DiabloProductExpert
Date published: 2015-12-23


This bit appears to have the ability to add cutters and create a stacked cutter bit. Am I correct in this, or can it only handle the single cutter head?
Asked by: Hal05154
Unfortunately, this bit is not designed for stacked cutters. If you are looking for more flexibility to adjust groove thickness for possible Tenons, we recommend the Diablo 99 series - Adjustable Rail and Style bit set.
Answered by: DiabloProductExpert
Date published: 2015-12-23
  • y_2017, m_8, d_14, h_12CST
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Customer Reviews

1/4 in. Carbide Slot Cutter Router Bit is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Good bit Does what it says with no hesitation, no burning, and no curling
Date published: 2016-06-14
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