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what flush trim bit for G&G templates?

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Forum topic by jamsomito posted 11-09-2018 06:44 PM 173 views 0 times favorited 3 replies Add to Favorites Watch
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jamsomito

254 posts in 597 days


11-09-2018 06:44 PM

I’m making a G&G piece with several templates and need the right router bit. The thickest piece is 1-3/4” thick, so I would need a sizeable flush trim bit to do it all in one pass. I could feasibly do a template bit (if my terminology is right) and get it 1/2 the size to do everything in 2 passes. The other pieces are between 3/4 and 1” thick. Then there’s the question of carbide/HSS and straight/shear/spiral.

To complicate things more, I’ll have 2 different cloud lifts to cut in. The larger has a 5/16 radius, so I’m guessing it needs to be a 1/4” bit or smaller. But my smaller cloud lifts have 3/16” radii, so would I technically need a 3/16” bit or less? Do they make them this small?

I would rather not spend $100+ in bits but maybe I have to in order to accomplish what I’m trying to do. Any thoughts are appreciated. Thanks.


3 replies so far

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jamsomito

254 posts in 597 days


#1 posted 11-09-2018 07:03 PM

Wait… 3/16” radii would be 3/8” diameter, so I could do a 1/4” or 3/8” router bit. Problem with those small ones is they don’t come long enough.

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jamsomito

254 posts in 597 days


#2 posted 11-09-2018 08:15 PM

Infinity tools has a 1/2” x 2” straight cutter for $25 and 3/8” x 1” for $16.90. Link here: https://www.infinitytools.com/routing/router-bits/carbide/flush-trim-router-bits/flush-trim-router-bits-4855

Questions:
1. Am I going to regret a straight cutter bit on such a large piece?
2. Is a 3/8” diameter bit on a 3/16” radius inside curve a bad idea (exact fit) when template routing?
3. Someone recommended Infinity tools to me – what are your thoughts here?

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TungOil

1039 posts in 666 days


#3 posted 11-10-2018 12:04 AM

You wil need a few bits to do what you are trying to do. You will not find a 2” long bit smaller that 1/2” diameter. I highly recommend a spiral carbide bit for routing G&G cloud lifts to eliminate tear out on the cuts into the grain. I use these:

https://www.eagleamerica.com/product/v120-0202/spiral-router-bits

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

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