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Eligible for Return, Refund or Replacement within 30 days of receipt
Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. You may receive a partial or no refund on used, damaged or materially different returns.
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Returns
Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. You may receive a partial or no refund on used, damaged or materially different returns.
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Whiteside #UDFT2100 Flush Trim Spiral Bit Up/Down 1/4SH 1/4CD 1CL 3OAL

4.5 4.5 out of 5 stars 86 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Spiral Router Bits by Whiteside
$45.05 with 20 percent savings
Typical price: $56.31

This is determined using the 90-day median price paid by customers for the product on Amazon. We exclude prices paid by customers for the product during a limited time deal.
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Purchase options and add-ons

Material Carbide, Alloy Steel
Brand Whiteside
Cut Type Flush-Trim Cut

About this item

  • AMERICAN OWNED AND OPERATED
  • MADE FROM SOLID ALLOY STEEL
  • PRECISION GROUND FOR PROPER BALANCE AT HIGH RPMS
  • MADE WITH THICK CARBIDE FOR EXTRA SHARPENINGS
  • USES THE HIGHEST QUALITY MICROGRAIN CARBIDE

Frequently bought together

Whiteside #UDFT2100 Flush Trim Spiral Bit Up/Down 1/4SH 1/4CD 1CL 3OAL
$45.05
Get it as soon as Saturday, May 11
In Stock
Sold by Routerbitworld and ships from Amazon Fulfillment.
+
Whiteside Router Bits 2292 Chamfer Bit with 45-Degree 7/16-Inch Cutting Length
$28.56
Get it as soon as Saturday, May 11
In Stock
Sold by Routerbitworld and ships from Amazon Fulfillment.
+
Whiteside Router Bits RU2100 Standard Spiral Bit with Up Cut Solid Carbide 1/4-Inch Cutting Diameter and 1-Inch Cutting Lengt
$21.96
Get it as soon as Saturday, May 11
In Stock
Sold by Routerbitworld and ships from Amazon Fulfillment.
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Product details

  • Package Dimensions ‏ : ‎ 5.59 x 3.15 x 0.35 inches; 1.13 ounces
  • Date First Available ‏ : ‎ November 20, 2018
  • Manufacturer ‏ : ‎ WHITESIDE MACHINE CO
  • ASIN ‏ : ‎ B07KQHC6CX
  • Customer Reviews:
    4.5 4.5 out of 5 stars 86 ratings

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
86 global ratings

Customers say

Customers like the performance and quality of the router bit. For example, they say it's a great product, very sharp, and produces good results as far as cut quality is concerned. That said, some complain about the durability, saying it'll rip your piece off the table.

AI-generated from the text of customer reviews

10 customers mention10 positive0 negative

Customers are satisfied with the performance of the router bit. They mention that it is a great product, very sharp, and flawless. Some say that it works beautifully in a palm router to trim the ends of some proud dovetails.

"It's an amazing and extremely clean cutting bit. However, expect a couple kickbacks while you learn the proper technique...." Read more

"...Unfortunately I used it a few times, it caught, then broke. Works well but be careful." Read more

"Worked beautifully in a palm router to trim the ends of some proud dovetails (i.e., endgrain). Waaay easier than plaining them by hand(!)." Read more

"Perfect. The flush cut this made was like butter. It was so beautiful I cried." Read more

7 customers mention7 positive0 negative

Customers are satisfied with the quality of the router bit. They mention that it is top quality, very sharp, and leaves a nice clean edge. Some say that it comes with a learning curve.

"I really like the versatility of this bit and the clean cuts. It's a whiteside bit so quality is very high." Read more

"It's an amazing and extremely clean cutting bit. However, expect a couple kickbacks while you learn the proper technique...." Read more

"Leaves a nice clean edge that only takes a little bit of sanding to clean up. Unfortunately I used it a few times, it caught, then broke...." Read more

"Perfect. The flush cut this made was like butter. It was so beautiful I cried." Read more

5 customers mention0 positive5 negative

Customers are dissatisfied with the durability of the router bit. They mention that it is not reliable strength wise and could be dangerous. Some customers also say that the bit exploded after 2-3 minutes of use.

"...Unfortunately I used it a few times, it caught, then broke. Works well but be careful." Read more

"...cutting three-quarter inch Baltic birch plywood and on second cut the bit broke...." Read more

"I used this a second time, about 2-3 minutes of use and the bit exploded...." Read more

"...I may try to contact white side but beware this bit is not reliable strength wise and could be dangerous...." Read more

Leaves clean edges
4 Stars
Leaves clean edges
Leaves a nice clean edge that only takes a little bit of sanding to clean up. Unfortunately I used it a few times, it caught, then broke. Works well but be careful.
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Top reviews from the United States

C Bailey
5.0 out of 5 stars Great bit!
Reviewed in the United States on January 30, 2024
Verified Purchase
I really like the versatility of this bit and the clean cuts. It's a whiteside bit so quality is very high.
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Daniel V
5.0 out of 5 stars Exceptionally sharp but comes with a learning curve.
Reviewed in the United States on August 31, 2023
Verified Purchase
It's an amazing and extremely clean cutting bit. However, expect a couple kickbacks while you learn the proper technique. Once you get used to applying the proper pressure and feed speed it glides along like butter. Let the bit do the work and you will be cutting perfect templates in no time!
One person found this helpful
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Dancing Monkey
4.0 out of 5 stars Leaves clean edges
Reviewed in the United States on October 19, 2023
Verified Purchase
Leaves a nice clean edge that only takes a little bit of sanding to clean up. Unfortunately I used it a few times, it caught, then broke. Works well but be careful.
Customer image
Dancing Monkey
4.0 out of 5 stars Leaves clean edges
Reviewed in the United States on October 19, 2023
Leaves a nice clean edge that only takes a little bit of sanding to clean up. Unfortunately I used it a few times, it caught, then broke. Works well but be careful.
Images in this review
Customer image
Customer image
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Lars
5.0 out of 5 stars used to trim proud dovetails
Reviewed in the United States on January 15, 2024
Verified Purchase
Worked beautifully in a palm router to trim the ends of some proud dovetails (i.e., endgrain). Waaay easier than plaining them by hand(!).
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Jill
5.0 out of 5 stars Great product
Reviewed in the United States on October 7, 2023
Verified Purchase
Best product for the job
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Gee Dubya
5.0 out of 5 stars YES
Reviewed in the United States on June 13, 2023
Verified Purchase
Perfect. The flush cut this made was like butter. It was so beautiful I cried.
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JJ Hanson
5.0 out of 5 stars Simply awesome.
Reviewed in the United States on February 21, 2023
Verified Purchase
This is my first compression style but and easily the best flush trim router bit I’ve ever used.
My only regret is not getting this sooner.
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David C.
1.0 out of 5 stars Broke second use
Reviewed in the United States on August 11, 2022
Verified Purchase
Flush cutting three-quarter inch Baltic birch plywood and on second cut the bit broke. It was longer than 30 days since purchase and I was not allowed to return it. Frustrated
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