103 – Flush Trim Bits
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A brief introduction to the world of flush trim bits. Flush trim bits come in all shapes and sizes, but they all share the same basic anatomy. After watching this video, you’ll have a much better idea of which ones to buy and when to use them. I also do a quick demo using a pattern bit (a variation of the flush trim bit). This video accompanies my upcoming article “Get the Most From Your Router” in the December 2009 issue of Popular Woodworking Magazine.
And if you are interested in that big fat pattern bit, you should contact William Ng.
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Another great video! Can’t wait to see the Podcast on the keepsake box!
Hey Mark!
Great video, I’m a big fan of flush trim and pattern bits I pretty much use them on every box I have made. Doing dovetails and box joints they are great to clean up the excess on the joints. I also use them to flush up the lids too. I thought it was interesting how you hogged out the material in your box design which was good for future reference.
Be well.
Wow. That is the coolest pattern bit ever! Does it actually fit in a router? It looks like it was made for a larger machine.
Yup. Has a 1/2″ shank.
More power! Ugh! Ugh!
This reminds me that in the more recent Eagle America catalog that I received they had their dado cleanout bit on sale for less than $10, about 50% off.
Top bearing, 1/2′ cutting and bearing diameter, 1/4″ cutter length, 1/4″ shaft diameter.
I believe it was this one http://www.eagleamerica.com/pr....._bits_-_pc
Marc,
You gave me tool “wood”. Very nice. Do you have a link to that “mother-of-all” flush trim bits? I would like to get one. Another great video. Thanks!
Yes, its in the write-up. You have to contact William.
very nice marc…. dont know if you know this but the have spiral top bearing flush trims also… just like the spiral plunge bits but flush cuts… those are amazing… you probably knew about them but i figured since it wasnt in your video id mention it
I enjoyed your intro to flush trim bits Marc. Thanks.
The large flush trim bit looks like an annular cutter like the one shown in this link:
http://www.amazon.com/gp/product/B0016J5EKU
However, the annular cutters I saw online don’t have a 1/2″ shank as a router would need. Also, I haven’t seen any with a shank bearing. It looks like William Ng is the way to go for those who want one. Besides, after looking at annular cutter costs, even if you could adapt one for use, it’s doubtful if you would save any money.
Hi Marc,
I have to get one of those helical bits; I develop a lot of my designs using gnarly highly figured Australian hardwoods and have never had much luck with standard flush trim bits.
Regards Darren
Marc
Nice mini video..I especially like the 2 step process of routing out the deep hole. That really thinking “outside the box” or in :-)
Oh and BTW that is another great Tee-shirt!
Joe
Ummm. Great video, but I the still picture viewable before you click play scared me a bit. I feared that when the camera panned wide I was going to get to learn some new working technique from Sasquatch! Those hairy arms. Marc, you are a man’s man.
That’s how they make ‘em in Jersey baby!
Marc,
A few things.
1. Great video I just picked up a router this week used and have been playing with it. So now I will by some flush trim bits.
2. My wife loves the tee, there is no dunkin doughnuts in MN, and she misses it very much. So now she offically is a WW fan even though she is not interested in wood working.
3. I read the “sasquatch” comment to her an your response she just said it’s because Marc is a paesano. (She is Italian and we are from NY) She then made comments about the superiority of Italian Americans.
Haha, sounds like someone I would get along with Mark! :)
i have a very similar bit, but i got mine from my work it is a high speed steel endmill that i put a matching size bearing on…….it will trim everything up smooth
Great Video as always Marc but I love the shirt!
Marc A other Great information filled Video Many Thanks
A question I have is How Long Do they Make the Flush bits do the go to say 6 inches or longer if not can you give me advice on taking material off a project I am planning when I get my shop up and running
Kind Regards to Nicole and your self
Harry& Sandra
I honestly not know what the longest bit is. But they don’t get too much longer than that blue one in the video. But you can adapt the technique I showed in the video to flush trim thicker pieces.
Marc,
Thanks again for another interesting and informative video. I look forward to them.
Still waitin’ for the plans for the box(s):-)
Jim
That’s not a flush trim bit…
THAT’S a flush trim bit.
(or better still)
That’s no flush trim bit…it’s a space station.
Seriously, though. How much did the good folks at Dunkin’ pay you to wear that shirt?
Nice work, as always.
lol Good old Crocodile Dundee!
You know, I wish they DID give me something for the advertising. Instead I payed THEM $10 for the shirt plus the cost of a cup of coffee! haha!
Great video! I just got my first router and have been reading everything I can find on using it.I think I’ll need to find a good flush trim/pattern bit. By the way, if anyone would like a bucket full of routed scrap wood and junk, i have plenty.
Hi Marc,
I do more work on the shaper with jigs and rub collars, than flush trim bits and the router, but when you brought out that monster flush trim bit I was impressed. WOW! That looks like something I could use. Keep up the good work. I enjoy it all.
Greetings!
I noticed you had a large 2″ flush trim bit in your video. Can this be used to joint a side with that width or less? I do not have a jointer yet but wonder if this is possible.
I always look forward to your tips and videos.
Yup. As long as you have a good reliable straight edge, you can joint a board using a flush trim bit.
I think it is great that we woodworkers get so excited about router bits….especially the monster of all flush trim bits. Maybe you could interview the creator about the design (i.e. angle of helical design, number of cutters, diameter of bit, etc.)
Cheers.
Marc,
Thanks for the great video. I haven’t done much with templates yet, so this is certainly useful. Of course, I just recently bought a few of these! Glad some of my choices are reinforced.
–
Shawn
Hey Marc,
Just wondering what the brand name of the grey bit on the left during the bit presentation. Not the monster bit, but the more standard one with helical blades.
Thanks man,
James
If I am not mistaken, that was an Amana bit. Picked that up prior to our relationship with Eagle America.
Great post! I just got a flush trim bit and have some plans to use it and I think your tips will save me some time and frustration. Thanks!
yo whats up marc the red bit on the right what size shank was that
1/4″ yo
I wrote to William Ng and got a quick response:
We custom made those bits and sell them here. They’re $130.00. It’s made of cobalt, 1/2″ shaft, 1-1/8″ diameter, 2″ cutting length, 6 flute spiral, 3/8″ bearing, overall height is around 4-1/2″. We take MC and Visa, just give us a call when ever you’re ready. 714-993-4215. Thanks.
William