Surfacing Planing Router bits

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Forum topic by PhillipRCW posted 07-20-2015 03:34 PM 1212 views 0 times favorited 10 replies Add to Favorites Watch
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477 posts in 1292 days

07-20-2015 03:34 PM

I am going to be doing several live edge tables very soon and have been looking at different bits for my router to help level out of the slabs. What seems to work best for you? I saw a surface planing bit on amazon, but I have never seen it used before. I’ve seen upsprial bits, straight bits, and rabbet bits used, but just looking for some insights from others before I start tackling these.

-- Phillip- Measure twice, cut onc.... Hey look, it's rustic.

10 replies so far

View HerbC's profile


1764 posts in 2887 days

#1 posted 07-20-2015 03:45 PM

That’s a REAL big bit.

Hope you can adequately control it.

Be sure to run at the recommended speed (rpms)

Good Luck!

Be Careful!


-- Herb, Florida - Here's why I close most messages with "Be Careful!"

View PhillipRCW's profile


477 posts in 1292 days

#2 posted 07-20-2015 03:46 PM

There are quite a few different sizes of the surface planing bit. Doesn’t have to be the largest bit. I just happened to copy and past as I was looking through all of them. I’m mainly looking at the type of bit.

-- Phillip- Measure twice, cut onc.... Hey look, it's rustic.

View bigblockyeti's profile


5140 posts in 1749 days

#3 posted 07-20-2015 03:55 PM

A 2 3/4” bit large enough it would require the speed to be lower than most fixed speed routers turning at ~22000 – 28000rpm. I use a Freud 1 1/4” bit with a slight shear angle turning at 24000rpm in a 1 3/4hp router. How much width and depth will you be trying to remove at a time and in what species? That will make a huge difference at to how fast you’ll be able to cut.

View PhillipRCW's profile


477 posts in 1292 days

#4 posted 07-20-2015 03:59 PM

Yeah, I’m aware of speeds. Like I said, they have different sizes, I was just looking through them and it had me wondering if anyone has used a surface planing bit. If not, what type of bit do you use to level out slabs?

-- Phillip- Measure twice, cut onc.... Hey look, it's rustic.

View BorkBob's profile


127 posts in 2720 days

#5 posted 07-21-2015 03:21 PM

I’ve only done one project so far and I used a 1-1/4” two flute bit I picked up on clearance. I made a jig using 80/20 1×2 aluminum angle. It went very well but I was amazed at how much dust/chips this generated. Something to be ready for.

-- Please Pray for Our Troops / Semper Fi / Bob Ross /

View jmartel's profile


7958 posts in 2178 days

#6 posted 07-21-2015 03:24 PM

I’ve only done it a couple times, and used a much smaller bit, but if you used a routing bit with curved edges, you won’t get track marks from the corners digging in.

Like this:

Similar to how for handplanes you would sharpen it so the corners are a few thousands of an inch relieved from the center of the blade.

-- The quality of one's woodworking is directly related to the amount of flannel worn.

View dtsdig's profile


8 posts in 1193 days

#7 posted 07-21-2015 08:40 PM

I own the 1 1/4” Magnate Surface Planing bit and can attest to it being very high quality. I’ve used it to cut through the edges of tempered hardboard and 3/4” MDF so far and it creates a very nice surface.
If ordering from Amazon, just keep in mind that these ship directly from Magnate and will take longer (than I’m used to) to ship.

View canadianchips's profile


2602 posts in 3025 days

#8 posted 07-21-2015 09:31 PM

IF you have good tracks that adjust easily you do not need a bit any bigger than 1”.
Feestool makes an excellent jig for this.
I do not have one, but what i have seen it looks awesome !

-- "My mission in life - make everyone smile !"

View rwe2156's profile


2967 posts in 1509 days

#9 posted 07-22-2015 12:04 AM

I used the 1 1/2” version of that bit to flatten a workbench top.

I noticed a little bit of scalloping if I took over a 1/2” wide pass.
I think its because a sled isn’t accurate enough with such a wide bit that will leave scallop marks as you move it to the next spot.

-- Everything is a prototype thats why its one of a kind!!

View Timberwerks's profile


360 posts in 3189 days

#10 posted 07-22-2015 01:47 AM

I use Freud’s straight 1.75”, they work well, hold a good edge and priced fair.


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