NEW LEE VALLEY 20?MM DRILL BUSH AND BIT

NEW2FES

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Feb 22, 2012
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Anybody see the new Lee Valley catalog? Has a 20mm? bushing and drill bit to make a jig to make an easy MFT style top. Can also be used to make any surface accept the 20mm accys. Sorry early and I forget if it is 20mm or not but it is the same as the MFT.

 
http://www.leevalley.com/US/wood/page.aspx?cat=1,41637&p=72602[attachimg=1]

A.  3/4" Dog Hole Bushing
15J79.03    Video   $7.50 Add to cart

1" Installation Bit
06J71.16        $12.30 Add to cart

3/4" Drill Bit
07J02.48        $31.60 Add to cart

B.  20mm Dog Hole Bushing
15J79.05        $7.50 Add to cart

25mm Installation Bit
06J72.25        $12.20 Add to cart

20mm Drill Bit
07J16.20        $33.40 Add to cart
 

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Nice start, it'd be nice if they went a little further and provided a plastic base that would allow you to index off the other holes to create the uniform pattern.
 
I bought the bit and the dog bushing for when I finally get around to drilling some MFT holes in my existing bench.  Both pieces are very well made - the bit is super hefty and makes me want to buy more of their brad point bits.  There is the slightest amount of play between the bushing and the bit.  And when I say slight I can't imagine it's more than a tenth of a mm or so -- enough to have the bit go through without tearing up the bushing.  I wish they had an MFT template as well.  My plan right now if to make the block like they show, flip my existing MFT upside down, and use it as a guide to drill the new holes.  Once you get a few holes drilled, I can use bench dogs to keep everything in line.  Not quite a CNC top but worth a shot, I think!
 
Nice find! Very useful for me especially with me moving my shop and redesigning it. That means a new bench! A new IMPROVED bench! What better way than to make some dog holes with this, thanks for posting.
 
I have a 23 or 24 (can't remember) brad point bit set from Lee Valley and they are outstanding. The only gripe I have is they are a metal case.

Jack

RobNJ said:
I bought the bit and the dog bushing for when I finally get around to drilling some MFT holes in my existing bench.  Both pieces are very well made - the bit is super hefty and makes me want to buy more of their brad point bits.  There is the slightest amount of play between the bushing and the bit.  And when I say slight I can't imagine it's more than a tenth of a mm or so -- enough to have the bit go through without tearing up the bushing.  I wish they had an MFT template as well.  My plan right now if to make the block like they show, flip my existing MFT upside down, and use it as a guide to drill the new holes.  Once you get a few holes drilled, I can use bench dogs to keep everything in line.  Not quite a CNC top but worth a shot, I think!
 
I bought the new 20 mm brad point bit and the dog bushing from Lee Valley. The bit seems to be a more expensive (high speed steel) version  of the 20 mm bit that Lee Valley also sells. I've drilled holes in both Baltic Birch plywood and 3/4" MDF. The "Parf Dogs" from Lee Valley fit extremely well, with only a very small amount of play. The holes drilled in the MDF seem to fit almost perfectly without play and yet the dogs insert easily with no binding. I consider this a good purchase.

Now all I have to do is design a jig to make my own MFT. How hard can that be?
 
Sorry for reviving a thread.

I too now just discovered the LV bits. I was wondering how they all performed for the people in the thread. Also curious on how you did your jigs? Router or drill? Assuming a router would be too high of a RPM, but a router would make a few things a little more accurate
 
I’ve had good luck with the LV 20mm bit drilling holes in MDF, plywood, and hardwood work surfaces.  The 20mm bit is nearly 6 inches tall, so even discounting the RPMs, you would have to get super creative in order to utilize it in a router.  Admittedly without trying it, I would not recommend it in a router, but I have had great results in a cordless drill using the LV bushing and in the drill press.
 
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