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Router that can get close to a wall?

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Old Oak
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Is there such a thing as a router or an adaptor for a router that can cut a floor close to a wall (or the corner between two walls)?

Don’t have need for one right now, but like to know what’s possible. Even small routers seem to carry the bit in the centre of the motor cylinder keeping it away from the edge. I guess handheld rotary tools (Dremel etc) can get closer to an edge, but have their own limits. Any ideas? What’s the closest you can get with a small router?
 
My little Makita trim router came with an offset base that uses a belt drive to drive a spindle that's much closer to the edge of the base.

It looks like this:

1728302254327.png

According to this page, the centre of the spindle is 18.5 mm from the edge so I guess that gives you the answer for the Makita trim router. I imagine other brands have something similar.
 
Thanks. That’s great. “Trim router offset base” brings up a few results. The situation that prompted my thought was needing to cut no further than 1/2” from the wall, so centre of spindle would probably need to be 10mm or less from the edge. Still 18.5mm isn’t bad.
 
Thanks. That’s great. “Trim router offset base” brings up a few results. The situation that prompted my thought was needing to cut no further than 1/2” from the wall, so centre of spindle would probably need to be 10mm or less from the edge. Still 18.5mm isn’t bad.

I think you'll struggle with 10 mm or less from the edge: by the time the design has allowed for a spindle (for a 6.35 mm / 1/4" shank cutter presumably), some bearings, something for the bearings to be housed in and some sort of drive gear (for a belt or similar), cramming it all into something that small could be quite the challenge.

I guess there might be the equivalent of what I've got but designed for 3 mm or 3.2 mm (1/8") Dremel bits, possibly based on the flexible drive shafts you can get for multitools, but I've never seen one.
 
Not a router but I have this
It will cut very close to a wall, naturally the corners need finishing with a Fein saw.
It will take blades to cut timber and masonry
 
Out of interest, what's the application?
The motivation (which I solved with a combination of trackless track saw & oscillating multitool) was that most of my expansion gap disappeared when I oiled my new oak floor. I didn’t have enough space to pull out the last board without cutting the tongue off - which I didn’t want to do - so I wanted to increase the gap in place which meant cutting as close to the wall as possible.

The track saw did most of the work once I’d ditched the track (which was too long for the space) and removed a knob on the side. Turns out it cuts almost exactly 1/2” from the wall. But doesn’t cut very close to the corners which is where the multitool came in.

Router could have been useful here if it could get close enough.
 
Mafell do a groover that could help with that application
Is this the KFU or something else? So many devices!

I’m going on a detour through the Mafell catalogue now. Turns out they sell a saw with a flexible rail that can be rolled up. Probably old news to many of you, but I’ve not seen that before. People are smart, aren’t they?
 
I've had some success using my Makita biscuit jointer as a circular saw/groover. Obviously it cannot get right into a corner, but the C/L of the blade is 8mm from the base, so the edge of the cut is 6mm. It's intended to do this according to the instructions, and was a bit daunting to begin with, but the result was excellent.

If you're wondering, the rubber pad (that keeps it steady when you plunge it for biscuits) is removable, so it will slide along readily. I think I removed the plunge springs so as to not need to keep pressure on it.
 
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