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Round over bits

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Forum topic by bmwrider1 posted 1002 days ago 1338 views 0 times favorited 8 replies Add to Favorites Watch
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bmwrider1

14 posts in 1090 days


1002 days ago

Will someone explain to me about round over bits? When do I use a 1/4 or 1/2 inch round over bit. I am exploring how to use a router.


8 replies so far

View David Grimes's profile

David Grimes

2072 posts in 1238 days


#1 posted 1001 days ago

The roundover bits will all have the cut radius and cut depth noted on the package. The 1/4” cut radius (like a quarter round of a 1/2” diameter circle) is a smaller roundover than the 1/2” (which is like a quarter round of a 1” diameter circle). The cut depth is the height of the radiused cut on your work piece edge.

Go to a big box and compare the two drawings of the exact cut profile shown on the box and you’ll get it.

Have some fun.

-- If you're going to stir the pot, think BIG spoon or SMALL boat paddle. David Grimes, Georgia

View ksSlim's profile

ksSlim

955 posts in 1488 days


#2 posted 1001 days ago

Grab a piece of stock, gives you 4 edges to try different sizes full depth.
Hang it on the wall as a reminder of what size does what profile.

-- Sawdust and shavings are therapeutic

View CharlieM1958's profile (online now)

CharlieM1958

15661 posts in 2816 days


#3 posted 1001 days ago

What David said. Or just go to any of the major woodworking catalogs… they pretty much all have profile diagrams.

Keep in mind that you can also vary the look of your cut by varying the depth. You can either have a perfectly rounded edge, or set the cut a little deeper and leave a lip.

The best way to learn is by actually making some cuts and playing with the settings.

-- Charlie M. "Woodworking - patience = firewood"

View gfadvm's profile

gfadvm

10557 posts in 1288 days


#4 posted 1001 days ago

Those 2 bits can also be used to make your own 1/2” and 1” dowels useing a router table. The Grizzly catalog has pages of router bits and the profiles they produce. FYI roundover bits are not hand tools. You might get more replys in the power tool forum.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View ocwoodworker's profile

ocwoodworker

203 posts in 1602 days


#5 posted 1001 days ago

Or are you talking about the shank? A smaller 1/4” shank is good when you have a small round-over bits. When you start to get into some beefy round-overs ( or any bit that has an overall profile bigger than 1/2” is my rule of thumb) it’s better to step up to a 1/2” collet. It has less vibration which in turn give a cleaner cut.

-- I'd like to believe Murphy's Law haunts my woodshop, because if it's Karma it would mean I had something to do with it. - K.R.

View bmwrider1's profile

bmwrider1

14 posts in 1090 days


#6 posted 1001 days ago

I have not bought any bits at this time so I am thinking the 1/2 will be the first one. Are the Whiteside bits a good purchase? I will get the 1/2 inch shank.

View David Grimes's profile

David Grimes

2072 posts in 1238 days


#7 posted 1001 days ago

All well and good, but the 1/4 shank might be the better first bit if you have a small router to run it. Cheaper, less mass, etc. Make sure the collet is tight. If you’ve ever launched one, you’ll be sure from then on.

-- If you're going to stir the pot, think BIG spoon or SMALL boat paddle. David Grimes, Georgia

View ocwoodworker's profile

ocwoodworker

203 posts in 1602 days


#8 posted 1001 days ago

Whiteside are made in the US. Good purchase. MLCS… stay away from! The cheap price is enticing but they are china crap. They dull after a couple of passes and are mostly out of balance which causes the router to vibrate and make it hard to control. Rockler makes ok bits but made in Tiawan. They are made to US quality. Just not made in the US.

-- I'd like to believe Murphy's Law haunts my woodshop, because if it's Karma it would mean I had something to do with it. - K.R.

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