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Comment: Minor cosmetic imperfection on top, front or sides of item (affecting less than 10% surface area). Minor cosmetic imperfection on bottom or back of item (affecting less than 1% surface area). Item will come in original packaging. Packaging will be damaged.
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Yonico 15122 Large Lock Miter Router Bit with 45-Degree and 1-Inch Stock 1/2-Inch Shank

3.8 out of 5 stars 15 customer reviews
| 4 answered questions

Price: $26.95 & FREE Shipping on orders over $49. Details
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$26.95 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Yonico 15122 Large Lock Miter Router Bit with 45-Degree and 1-Inch Stock 1/2-Inch Shank
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  • Yonico 15127 Medium Lock Miter Router Bit with 45-Degree 3/4-Inch Stock 1/2-Inch Shank
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  • Yonico 15129 Small Lock Miter Router Bit with 45-Degree 1/2-Inch Stock 1/2-Inch Shank
Total price: $71.85
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Product Description

Use the reversible 45° lock miter glue joint router bit to join boards at 90°. The interlocking 45° cuts will produce extremely strong joints without having to struggle to keep the boards in place during clamping. Additionally, it will provide extra gluing surface resulting in an extremely strong and durable joint. When positioned properly, the bit will cut both pieces of stock without having to adjust the bit. Simply set the center of the stock to the center of the bit. Then, cut one piece horizontally and the second one vertically. Use with stock ranging from 1/2" to 1". Two flute carbide cutters & 1/2" shank.

Product Information

Technical Details

Part Number 15122
Item Weight 11.4 ounces
Product Dimensions 3 x 2.8 x 2.8 inches
Item model number 15122
Material Carbide
Item Package Quantity 1
Batteries Required? No

Additional Information

ASIN B00KZM23Z8
Customer Reviews
3.8 out of 5 stars 15 customer reviews

3.8 out of 5 stars
Best Sellers Rank #116,692 in Home Improvements (See top 100)
#65 in Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Router Parts & Accessories > Router Bits > Joinery Bits
#7,021 in Home Improvement > Contractor Supply
Shipping Weight 12.8 ounces (View shipping rates and policies)
Date First Available January 21, 2010

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I recently purchased several Yonico bits for on going joinery and raised panel projects I have started. I was somewhat concerned of the quality of the bits because of the price. I found I did not have to be concerened. The bits work better than expected and I have nice clean smooth stile and rail joints and the lock miter joint bit is very good. I made perfect corners with a little set up practice on scrap of the same thickness. After getting the set up dialed in I made my own set up block for use in the future. The drawer lock bit worked equally as well and a molding profile bit cuts nice clean lines with no tear out or chatter. The stile and rail bit sets ( two different profiles) have both worked to create perfectly matched joints. I have tried all of these bits in pine and white or red oak with the same results.
I will be buying more Yonico bits in the future and would recomend them to any of my freinds or other interested parties.
Ken S
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Verified Purchase
I needed a lock miter bit for a project I was building and was amazed at the range of prices for such a bit. From over $100 to less than $20. I am a hobbyist, so I went with my pocketbook and bought the Yonico. It is nothing fancy, but it does everything it is supposed to do, and worked just fine. I am certain there are more Yonicos in my future.
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Verified Purchase
A couple things I noticed, the documentation was horrible. Finding the center of the bit was hard to get everything setup. They would be wise to create a template tool for average wood thicknesses. It took me forever to get it right on. It was also somewhat out of balance. The vibration was significant even on lower speeds. Thankfully I have a variable speed router. Got the job done, but would think twice before buying another Yonico product.
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Verified Purchase
Excellent product for locking mitered joints. I made 90 feet of 8"X8" rough Cedar beams and the joints were excellent. The delivery was fast, the price was good and the quality was excellent.
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Verified Purchase
Cuts great. Leaves a great gluing area. Kind of difficult to properly line up. However, without a proper "jig" this router bit can be a bit dangerous. I recommend watching a few videos on the y.tube.
The shipper is FANTASTIC!
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Verified Purchase
I've used the Rockler 3/4" 45 degree lock miter bit for a lot, but had some 7/8" boards that I wanted to run through and didn't want to buy a $75 router bit that I would only use for one project. So I gave the Yonico a try, and while it is a decent value, the quality is not even comparable to my Rockler bit.

I examined the bit before I used it and the yellow coating had quite a few bubbles in it, and had some on the shaft and cutting surface where it shouldn't have been. My well used Rockler bit was significantly sharper than the Yonico when it was brand new.

Initially the bit functioned pretty well. However, after only running about 12 linear feet of 7/8" cherry through it had already dulled significantly. I got quite a bit of burn with the Yonico, but it is not really fair to compare it to the Rocker bit for that since the Yonico I bought is so much larger than the Rockler. While I will be able to finish my project with the Yonico, I wish I would have bought the Rockler instead.

To make the best of this bit, and similar bits, be sure to take the time to set it up properly. A board and a good straight edge will work best for this. There's some great YouTube videos that can help you. Also make sure you have a good powerful router and good dust collection, as this is a very large bit that removes a lot of material. Then just feed it through slow and steady and you'll get a great joint.
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By Irv on December 27, 2013
Verified Purchase
Do not be deterred by bargain price, this is a very good cutter. The Rockler templet will work on these cutters.
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Verified Purchase
Very good and strong bit.
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