Router Bit Sharpening Tools - Router Forums
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post #1 of 11 (permalink) Old 11-08-2016, 08:34 AM Thread Starter
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Default Router Bit Sharpening Tools

I've got some router bits that could use some touch-up/sharpening. What's a good source to buy the sharpening tools and what do I need to buy?
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post #2 of 11 (permalink) Old 11-08-2016, 09:01 AM
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I've got some router bits that could use some touch-up/sharpening. What's a good source to buy the sharpening tools and what do I need to buy?
Jim I watched this video and found it interesting.


Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #3 of 11 (permalink) Old 11-08-2016, 09:32 AM Thread Starter
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Jim I watched this video and found it interesting.

https://www.youtube.com/watch?v=o4AtrNXR5Iw
Thank You. I just watched it. I found some sites that sell the Trend Sharpening supplies.
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post #4 of 11 (permalink) Old 11-08-2016, 11:26 AM
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I use the method hawkeyes suggested and it works well.

Papa Bob
Using a couple of old Craftsman routers & a Bosch 1617EVSPK & a Dewalt DWP611PK Routers in SW Louisiana.
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post #5 of 11 (permalink) Old 11-08-2016, 12:10 PM
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Same as above except I use the ones mounted on a plastic base like you find at PA up here or HF down there.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #6 of 11 (permalink) Old 11-15-2016, 03:16 PM Thread Starter
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Which grits do you recommend I get? Trend has a 2 sided card with 300 and 600 grits. HD has a 600 grit diamond paddle file.
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post #7 of 11 (permalink) Old 11-15-2016, 04:46 PM
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Which grits do you recommend I get? Trend has a 2 sided card with 300 and 600 grits. HD has a 600 grit diamond paddle file.
In the video he is using 600 grit. You don't want to sharpen router bits to sharp because carbide is very hard and brittle. If the edge is to sharp or you might say thin it will break off under normal use and leave a chip.

Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #8 of 11 (permalink) Old 11-15-2016, 05:28 PM Thread Starter
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In the video he is using 600 grit. You don't want to sharpen router bits to sharp because carbide is very hard and brittle. If the edge is to sharp or you might say thin it will break off under normal use and leave a chip.
The info says to use the 300 grit on tools that are pretty worn.....wondering if the 300 will work or if pro sharpening is needed at that point.
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post #9 of 11 (permalink) Old 11-15-2016, 06:31 PM
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The better bits usually mention something about 600 grit sharpening but that is power sharpening and if power sanding is any indication when compared to doing it by hand then the power sharpening at that grit will be finer than you can do with a 600 grit hone. I would go to the 600 for the final like the vid said to do. Pro sharpening is when it still doesn't cut that good even after you try yourself. Chances are by that time that the geometry is off and maybe the relief angle on the back side of the edge. That relief angle is pretty critical for getting a good finish and it's something that is usually not recommended to try by hand to retouch.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #10 of 11 (permalink) Old 11-15-2016, 06:44 PM
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I use the 600, for whatever that is worth.

Papa Bob
Using a couple of old Craftsman routers & a Bosch 1617EVSPK & a Dewalt DWP611PK Routers in SW Louisiana.
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