Anyone know this tool/cutter?

[JRT]

I can only assume that this goes in a lathe but I’m not positive. I think I get what it does but that’s about it!

 

[Rikshard]

I'd say that's an adjustable fly cutter for a mill.

Either that or a circle cutter for something, mill or pedestal drill.

I can't see holding.it in a lathe and using it effectively, not without a tapered end for a tailstock (and even then, pretty big swing required)

More than willing to be wrong however

Sent from my M2102J20SG using Tapatalk

 

[Parlo]

It is a trepanning tool for cutting discs or holes.

 

[Mauzinette]

More info on these:

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[Dabbler]

I've used these a bunch of times using a hand drill. All the time on wood. Fun, but a little scary, too.

 

[Eddyde]

Parlo is correct it's a Trepanning tool.
Here's a video I did using one to cut some discs:

!I highly recommend not using it in a had held drill!

 

[Dabbler]

!I highly recommend not using it in a had held drill!

I did say it was exiting. I've cut through 2X10s for dryer vents with a clone of this apparatus. In the 80s and early 90s, it was sold for this purpose.

Nowadays there are 4" hole saws to do this. Far safer, and faster too!

I completely agree that nowadays this should never be used handheld.

 

[MrWhoopee]

Yep, trepanning tool, not that fun to use. I got mine from Fred.

 

[mmcmdl]

I completely agree that nowadays this should never be used handheld.

We all like challenges John and this is one . Kinda like drilling holes in tractor decks with S@D drills and seeing how many revolutions your wrists can do before you have to let go . Yes , this is a trepanning tool for a mill or drill press . The drill ( usually 1/4" ) can be replaced with a dowel . More suited for wood/plastic and aluminum sheet .

 

[jbaccell]

I've used one on wood. It worked but, make sure whatever you're cutting is securely held down.