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Using upcut or down cut bits?

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Forum topic by MrRon posted 322 days ago 514 views 0 times favorited 2 replies Add to Favorites Watch
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MrRon

2716 posts in 1842 days


322 days ago

When routing with a hand held router, you use an upcut bit when the cut doesn’t go all the way through the material and a downcut bit when going all the way through. Is that correct?

When using the router in a router table, which bit do you use; up or down cut? It would appear that either one will work?


2 replies so far

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Loren

7232 posts in 2246 days


#1 posted 322 days ago

Upcut bits pull the chips out of a mortise, so generally
for mortising and grooving cuts they work well.

I use a downcut bit on my overarm router because
it pushes the work away from the cutter. The upcut
bit is unsafe in this application (no base plate on a pin
router) because it will lift the work off the table.

-- http://lawoodworking.com

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GarageWoodworks

419 posts in 755 days


#2 posted 322 days ago

Upcut pulls chips out as mentioned above and are more prone to chip-out at the top of the mortise.

Downcut bits leave a much cleaner cut at the top which makes them ideal for doing inlay.

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