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Discussion Starter · #1 ·
Found this in an old box of tools that has been sitting around for years.
Looks like it might come in handy for some carving tasks, cleaning out corners, etc..
I know I've seen these before, and I know I'm going to feel dumb when I get an answer, but what is this called, and what is its intended purpose?
Thanks in advance for any replies.
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A cat made me do it.
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My first thought is something a mason would use, but with that groove etc, probably not.

How about photos of some of the other tools that were with it? No one ever mixes tools. ;)

How sharp are the edges?
 

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I have my Grand Uncle's plumbers iron and it is a honking bit of copper that would hang in front of an acetylene/carbide torch, which I used to have, so I don't think it is that. Not a tucking tool with that groove. I am thinking leather working or cobbler tool.
 

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I knew a WO Calabrese who did quite the job scraping in a 21" diameter line shaft bearing that was too small . . . . .
Hi Tom,
Pretty sure he would not be a part of my family. calabrese is a fairly common name eminating from the providence of Calabria in southern Italy. We can pretty much be found in just about every city phone book.
We are the Smith & Jones of the old country.
Thanks for the mention.
calabrese55
 

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Discussion Starter · #16 ·
Here's a few more pictures that might show the shape a little better.
Another thing I discovered is that It's fairly hard. A file skates off of it, but still lightly scratches it. I'm guessing 50-52 rc or so.
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I know I've seen these before, and I know I'm going to feel dumb when I get an answer, but what is this called, and what is its intended purpose?

It is a machinist tool for deburring edges. In this case inside edges, like around the edge of a hole.
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Another style/view showing the clearance groove.
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I have several styles of these in my tool box, not used as much since my retirement.
 

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Discussion Starter · #19 ·
It is a machinist tool for deburring edges. In this case inside edges, like around the edge of a hole.
View attachment 447126

Another style/view showing the clearance groove.
View attachment 447128

I have several styles of these in my tool box, not used as much since my retirement.
Interesting. I've been a machinist/toolmaker for 34 years, and yet the thought never crossed my mind that it could be a deburring tool.
I also have many different styles of deburring tools in my work box, but nothing quite like this. Now that I'm looking at it, I can see how it could be useful in certain situations.
 
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