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  • K-Premium 3 Wing Slot Cutter Router Bits

  • Reviews

Features micro-grain carbide cutters diamond honed to 600 grit mirror finish!

3 flute, carbide tipped with 8mm (approx. 5/16") bore and totally enclosed ball bearing guides. Cut slots (kerfs) for biscuits, tongue and groove joints, T‑moldings, lap joints, and rabbets. The cutter, arbor, and bearing are available separately or as a complete assembly with a 7/8" bearing.

A - Slot Cutter Assemblies - with arbor and 7/8" OD bearing
Item #
Large
Diam.

Cut
Height

Cut
Depth
Arbor  
#18648 1-7/8" 1/4" 1/2" 1/2" $29.00
B - Slot Cutter Arbors with Bearing
Item # Description Arbor Price  
#12194 5/16" x 15/16" arbor with
7/8" OD bearing
1/2" $12.95
C - 3 Wing Slot Cutters - without arbor or bearing
Item #
Large
Diam.

Cut
Height

Cut
Depth
Arbor Price  
#12208 1-7/8" 1/4" 1/2" 5/16" $22.95
D - Bearings - for different depth cuts
Item # Description
Cut
Depth
Price  
#12111 1-1/8" OD x 8 mm
(approx. 5/16")
3/8" $9.00
#12112 1-1/4" OD x 8 mm
(approx. 5/16")
5/16" $9.00
#12113 1-3/8" OD x 8 mm
(approx. 5/16")
1/4" $9.50
#12114 1-5/8" OD x 8 mm
(approx. 5/16")
1/8" $9.50

Please see MLCS bearings for additional bearing sizes

katana_3_wing_slot_cutters
BEARING CUT DEPTH CALCULATOR
Click here to calculate bearing size for alternate cut depths

katana_3_wing_slot_cutters

Precision ground up to tolerances of +/- .005" on CNC multi-axis grinders. K-Premium bits are machined to tight tolerances, to prevent runout and the resulting vibration. The end result is a high quality cut.

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  • K-Premium Tongue & Groove Router Bit Set

  • Reviews
K-Premium bit bodies are cut on a CNC lathe from a solid bar of SAE 4140 steel, heat treated up to a Rockwell hardness of 45 RC!

3 flute, carbide tipped with totally enclosed ball bearing guides. The double 1/4" cutter makes the tongue, and the single 1/4" slot cutter cuts the groove. z1/2" shank. For wood thickness from 1/2" to 3/4".

Tongue & Groove Instructions (PDF)

K-Premium Tongue and Groove Router Bit Set
Item # Large
Diam.
Cut
Height
Cut
Depth
Shank
Size
Price  
#17840 1-7/8" 3/4" 1/2" 1/2" $59.95
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Average Customer Rating: (4 reviews)
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Excellent Set (5/5), Mar 27, 2017

By Nicholas Kostella (Spring Church PA US)

Just completed a set of Mission style cabinet doors...My first time with the Katana bit set. If I could I would give the set 10 stars. Precision cuts without any blowouts. The species of wood was red oak and the bits did a wonderful job. I highly recommend this product!


Great bit set! (5/5), Jan 27, 2015

By Jason Prom (St Cloud MN US)

I bought this set for making cabinet doors. This is a very solid set and cuts like crazy. This set has done a great job for me and I would recommend it to others.


Perfect (5/5), Mar 31, 2014

By Chad DeWalt (Russellville Al US)

Bought these to build my cabinets. Made a perfect tight fit. Clean cut with no problems.


Excellent (5/5), Feb 27, 2009

By Matta Remodeling Services (Weymouth MA US)

I used it to make all Solid Cherry Shaker style doors (about 50 Total) It Works great, no chipping or burning, all nice clean cut. I would deffinitly buy more bits form KATANA


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  • K-Premium Tongue & Groove V-Notch Router Bit Set

  • Reviews
K-Premium router bits feature high hook and shear angles for smooth, efficient cutting.

2 flute, carbide tipped with fully enclosed ball bearing guide. This set is a 2 bit system for producing interlocking 1/4" high tongue and groove with a V-groove on the face. Excellent for paneling or flooring. A fence is required. For wood thickness from 5/8" to 1‑1/8".

Tongue & Groove Instructions (PDF)

K-Premium Tongue & Groove V-Notch Router Bit Set
Item #
Large
Diam.

Cut
Height

Cut
Depth
Shank
Size
Price  
#17843 2" 1-1/8" 3/8" 1/2" $89.95
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katana tongue & groove v-notch_set

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Average Customer Rating: (2 reviews)
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Great tongue and groove bit (5/5), Dec 31, 2016

By James E. Miller (Nevada IA US)

I bought the v tongue and grove katana a few years ago to route 5/8 x 6 inch cedar boards 8 foot long for a pourch floor. I did enough for a 24 foot wide floor. That set of bits did a great job of making a nice straight cut. I used a hand held 3 hp router and it was nice and sharp when done with that project and been used for other projects. Katana is a great product.


WoodMaster rig. (5/5), Jul 16, 2014

By John Majors (Wetumpka AL US)

Very High Quality. Perfect tight joint.
I use this on my wood master…
Only complaint is that the Woodmaster® has twin outboard routers that mount one up, one down. This makes it impossible to use the matched set simultaneously. I compensate by running the material twice utilizing an offset spacer. A little extra set-up, but still less trouble than trying to swap out bits and re-align bits (or have very large stacks of half-finished pieces)


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