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Internet # 204073452

Model # DR50116

1/2 in. Top Bearing Flush Trim Bit

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  • Use on hand-held or table-mounted portable routers
  • Cuts all composition materials, plywood, hardwood & softwood
  • TiCo Hi-Density Carbide for flawless finishes and longer life
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Product Details

About This Product

The top mounted bearings on Diablo's Top Bearing Flush Trim Router Bits make them ideal for lettering and other template work where the work piece is being grooved or routed out. Featuring TiCo carbide with titanium, these bits provide a long cutting life and ultra-fine finish. Perma-shield, Diablo's high performance coating, reduces friction and build-up on the bits. The bits kick-back reducing design allows for safer, more controlled cuts. These bits are computer balanced for a smooth and accurate cut. All Diablo router bits feature exceptional quality, unmatched precision and maximum cutting life.


  • For template work and lettering
  • Cuts all composition materials, plywood's hardwoods and softwoods
  • Use on hand-held or table-mounted portable routers
  • Red router bits are a registered trademark of Freud America, Inc.
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Product Information

Internet # 204073452

Model # DR50116

Additional Resources



Dimensions: H 4.63 in, W 2.63 in, L 2.8125 in


Cut Radius (in.)1.8125 inProduct Height (in.)4.63 in
Product Length (in.)2.8125 inProduct Width (in.)2.63 in
Shank Diameter (inch)1/2 inch


Individual/SetIndividualNumber of Flutes2
Number of Pieces1Returnable90-Day
Router/planer typeGroovingSelf-FeedingNo
Tools Product TypePower Tool

Questions & Answers

Q:the question and answer does not seem to match the info on the web site. The web site shows a 3/4 inch diameter cut and the q&A referred to over an inch as did the specifications. Ordering things when you cannot accurate information is just not workable.
by|Aug 30, 2023
0 Answer
Answer This Question
Q:What is the cutting depth and diameter of this bit? 1" length? 3/4" dia.?
by|Feb 7, 2019
1 Answer
Answer This Question

A:  The cutting depth of the trim bit is 1.63" and the cutting diameter is 1.81".

by|Mar 28, 2019
    Q:What is the shank size of this bit? I am hoping 1/2" and not 1/4"
    by|Nov 30, 2016
    2 Answers
    Answer This Question

    A:  The bit or cutting surface is 3/4" wide which is not disclosed in the description. The shank is 1/2".

    by|May 4, 2023

      A:  David - Thank you for your interest in Diablo Router Bits. The Shank for the DR50116 is a 1/2" shank. I hope this helps! Thanks again.

      by|May 4, 2023
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