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Forum topic by AandCstyle posted 10-29-2017 09:56 PM 472 views 0 times favorited 12 replies Add to Favorites Watch
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AandCstyle

2905 posts in 2096 days


10-29-2017 09:56 PM

Rich posted this review of a Whiteside router bit with a bearing at the end. The discussion of the review also mentioned another Whiteside bit with bearings at both ends of the cutter. If the RTF5200 (I am guessing this is the model Rich reviewed) does such a great job on wild grain, is there really a need for the UDP9112? I am willing to go the extra mile if it is warranted but don’t want to be crazy unnecessarily. Can anyone provide a head to head comparison? TIA

-- Art


12 replies so far

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pintodeluxe

5466 posts in 2652 days


#1 posted 10-30-2017 03:22 AM

I use the Whiteside bit that is 1/4” diameter and has the bearing at the tip. It has the advantage of cutting tighter inside corners and is much less expensive.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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a1Jim

116588 posts in 3416 days


#2 posted 10-30-2017 02:57 PM

It seems I’ve seen Charles Neil use that bit and talk about what a great bit it was I think he was using it for a flush cut bit.

-- http://artisticwoodstudio.com Custom furniture

View bigblockyeti's profile

bigblockyeti

4698 posts in 1559 days


#3 posted 10-30-2017 03:05 PM

Do you have a number for the 1/4” diameter bit with a bearing at the tip, that’s just what I’ve been looking for?

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splintergroup

1702 posts in 1061 days


#4 posted 10-30-2017 04:01 PM

Art,
I have a version of the RTF5200 (RTF5125, 1/2” shank). I use it a lot and the spiral does help with squirrelly grain, but still not 100%. The nose bearings are installed on a small diameter stud, which I think I may have tweaked a tad since I can feel vibrations as I follow a template.

If I have an object that I use a template on, I usually deal with the change in grain direction by going “downhill”, the Whiteside 2715 has the top/bottom bearings so I can just flip my part+template over, raise/lower the bit, and keep the cut running downhill. This bit has two flutes but the cut is still very nice. It has a large diameter so I can’t use it in tight spaces like the RTF bit.

In my mind, the ‘ultimate’ bit is the Whiteside UDC9112 since it has the fancy cutter design and top/bottom bearings. Cost is crazy though.

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CharlesNeil

2144 posts in 3709 days


#5 posted 10-30-2017 04:17 PM

The compression bits , like this one, definitely yield a superior cut and finish… pricy .. yes… worth it ,IMHO definitely

View Rich's profile

Rich

1984 posts in 428 days


#6 posted 10-30-2017 05:44 PM

I can’t provide a head-to-head comparison, Art. I can speculate based on experience with the UDFT5152 that I reviewed and with router bits in general.

The UDX9112 bits are 7/8” in diameter. That’ll make a significant difference in the cut, since the larger diameter means the bit exits the cut at a lesser angle, which will reduce the risk of tear out. The different part numbers simply distinguish top-bearing, bottom-bearing and the combination bit with bearings top and bottom. The UDFT5152 that I reviewed has a 1/2” cut diameter. A smaller diameter means the cut exits the wood at a steeper angle, and could be more prone to lifting the grain causing tear out.

The cut diameter also affects how tight of a radius curve you can cut into, so if you’re doing intricate patters, it might be a factor.

The UDX9112 has a 1-1/8” cut depth, while the UDFT5152 has a 1-1/2” cut depth. If trimming stock greater than about 1” thick is a requirement, you’ll need to consider that.

The UDFT5152 is top bearing only and costs about $45 to $55 less than the UDX9112, depending on configuration.

So, really, they are both top quality bits like you expect from Whiteside. The choice you make will come down to your needs and pocketbook.

-- No matter how much you push the envelope, it'll still be stationery.

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AandCstyle

2905 posts in 2096 days


#7 posted 10-30-2017 09:11 PM

I appreciate the input. I just couldn’t bring myself to spring for the UDP9112 so I ordered the “cheap” alternative.

-- Art

View robscastle's profile

robscastle

4533 posts in 2043 days


#8 posted 10-30-2017 09:55 PM

Art,

Have a look on ebay, I bought 2x (1/2” shank) just recently so I could route forwards and backwards by reversing the template
they were yellow Yonico Brands.

The supplier is in the US

https://www.yonicotools.com/

Mind you its no compression bit! But does the job for a poor (no money) woodworker

-- Regards Robert

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jimbrown

20 posts in 134 days


#9 posted 10-30-2017 09:59 PM



Do you have a number for the 1/4” diameter bit with a bearing at the tip, that s just what I ve been looking for?

- bigblockyeti


Woodcraft sells these bits – they should have the number, that’s where I got mine

-- JimBrown

View Rich's profile

Rich

1984 posts in 428 days


#10 posted 10-30-2017 10:08 PM


Do you have a number for the 1/4” diameter bit with a bearing at the tip, that s just what I ve been looking for?

- bigblockyeti

The 1/4” Whiteside flush trim bits are numbered RFT2100 for the up-cut, and RFTD2100 for the down-cut. There is no compression cut 1/4” bit. They are each about $38 on Amazon.

-- No matter how much you push the envelope, it'll still be stationery.

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bigblockyeti

4698 posts in 1559 days


#11 posted 10-31-2017 01:09 PM

Thanks, ordered.

View pintodeluxe's profile

pintodeluxe

5466 posts in 2652 days


#12 posted 10-31-2017 05:55 PM

I have tried pretty hard to cause tearout on changing grain direction in white oak with the RFT 2100…
“No Luck Yet.” It just seems to make a clean cut every time.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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