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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 | ||||||
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Item # | ![]() Large Diam. |
![]() Cut Height |
![]() Cut Depth |
Arbor | ![]() |
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#18648 | 1-7/8" | 1/4" | 1/2" | 1/2" | $29.00 | ![]() |
B - Slot Cutter Arbors with Bearing | ||||
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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 | ||||||
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Item # | ![]() Large Diam. |
![]() Cut Height |
![]() Cut Depth |
Arbor | Price | |
#12208 | 1-7/8" | 1/4" | 1/2" | 5/16" | $22.95 | ![]() |
Please see MLCS bearings for additional bearing sizes

all customer reviews and ratings
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K-Premium Tongue & Groove Router Bit Set
- Reviews
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 | ||||||
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Item # | Large Diam. |
Cut Height |
Cut Depth |
Shank Size |
Price | |
#17840 | 1-7/8" | 3/4" | 1/2" | 1/2" | $59.95 | ![]() |


all customer reviews and ratings
Average Customer Rating: (4 reviews)
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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!

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.

By Chad DeWalt (Russellville Al US)
Bought these to build my cabinets. Made a perfect tight fit. Clean cut with no problems.

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