Need longer 1/4" spiral upcut bit - Router Forums
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post #1 of 14 (permalink) Old 12-24-2018, 01:28 PM Thread Starter
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Default Need longer 1/4" spiral upcut bit

I have a 1/4" spiral upcut bit I use for mortising with my plunge router but find it's lacking in cutting length, especially when using a jig (losing 1/2" for the thickness of the plywood used for the jig). I've been searching all the router bit catalogs to no avail, they all seem to be about like my existing Whiteside bit, 1" cutting length, 2 1/2" overall. Does anyone have a source for a spiral upcut bit with a longer shank if not longer cutting depth?
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post #2 of 14 (permalink) Old 12-24-2018, 06:10 PM
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I haven't even seen really long ones in half inch. I did some a couple years ago and switch to a stagger tooth I have after the spiral. The stagger tooth is a lot longer but it didn't drill anywhere close to as well as the spiral. I should have drilled out most of the waste first with an auger bit and just used the stagger tooth to finish with.

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post #3 of 14 (permalink) Old 12-24-2018, 06:13 PM
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Can you change to a thinner template, say 0.125" Masonite?

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post #4 of 14 (permalink) Old 12-24-2018, 07:21 PM Thread Starter
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I thought about the thinner material but I already had to grind the guide bushing down to clear the 1/2" material. I suspect they don't make them in longer lengths for a reason. Those solid carbide bits can be brittle.
I managed to get my mortises cut. I'll just have to trim my tenons back to the length of the depth of my mortise. It's frustrating though, just another 1/2" would make a big difference.
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post #5 of 14 (permalink) Old 12-24-2018, 09:48 PM
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I know what you mean about those fragile bits. Have a 3/8ths down spiral bit with a chunk out of it from making the mistake of lifting the thing out of my DadoWiz while the bit was still running. ZzzzzzzT! and the tip was gone. Ah well, there went another 40 bucks. Chewed a nice pattern in the aluminum though.

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post #6 of 14 (permalink) Old 12-24-2018, 11:13 PM
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Quote:
Originally Posted by DesertRatTom View Post
I know what you mean about those fragile bits. Have a 3/8ths down spiral bit with a chunk out of it from making the mistake of lifting the thing out of my DadoWiz while the bit was still running. ZzzzzzzT! and the tip was gone. Ah well, there went another 40 bucks. Chewed a nice pattern in the aluminum though.
Too much info.


https://www.amazon.com/Freud-Double-...ong+router+bit


https://www.amazon.com/Accusize-Tool...ong+router+bit



https://www.amazon.com/Yonico-14130-...ong+router+bit

https://www.amazon.com/uxcell-2-inch...ong+router+bit

https://www.amazon.com/Amana-Tool-Sp...ong+router+bit

https://www.amazon.com/Amana-Carbide...ong+router+bit

https://www.amazon.com/WCIC-Router-P...ong+router+bit

https://www.amazon.com/HOEN-Router-l...ong+router+bit

Herb

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post #7 of 14 (permalink) Old 12-25-2018, 07:59 AM Thread Starter
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These two are 1/4" (What I was looking for) and might just do the trick. Thank you! Merry Christmas all!
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post #8 of 14 (permalink) Old 12-25-2018, 01:23 PM Thread Starter
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Now that I think about it, with at least a 1/2" lost in the collet, another 5/8 to 3/4 for the collet itself and then the 1/2" for the plywood jig, even a 3" bit doesn't have much cutting length left. May need to rethink my setup. ��
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post #9 of 14 (permalink) Old 12-25-2018, 02:52 PM
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You can make the deepest 1/4" mortises with a mortiser or mortising attachment for a drill press. That's only easy if you are mortising into the side of something. Of course the old standby method is to go as deep as you can with the spiral and then, using the sides of that mortise for a guide, deepen the hole with a drill bit and then chisel the rest of the waste out.

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 14 (permalink) Old 12-26-2018, 07:58 AM
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Try Belin they make a 1/4'' with a 1-1/8'' cut
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