What is this ?
#1
I have some bits that i am thinking is a type of counter bore with a fixed pilot. Thing is the pilot is just under 2" long. Since my field would never require such an item i am wondering what creation would require such a long pilot for the bore to work as needed. Also, it should be a simple task to lop off the long pilot to make it a length for more common usage, right?
   
Hickory Dickory Dock. Three mice ran up the clock. The clock struck one! The other two escaped with minor injuries.
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#2
Any identifying marks? Brand, model #, etc.?
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#3
Those are chamber reamers. Used for resizing chambers in guns. The long pilot is to ensure concentricity.
Full of ideas, but slow to produce parts
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#4
Bingo! That makes sense. My friend who owned them was gunsmithing for a hobby. Thank you so much rleete.
Hickory Dickory Dock. Three mice ran up the clock. The clock struck one! The other two escaped with minor injuries.
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#5
Hold it. Just compared to pics of chamber reamers on the net. Not the same and these are not marked with the cartridge size like chamber reamers. These say 1J10435-1 or -3. made by hannibal carbide and CTG
Hickory Dickory Dock. Three mice ran up the clock. The clock struck one! The other two escaped with minor injuries.
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#6
I'd wager those are pistol sized reamers.

A rifle reamer may have a necked down shape.
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#7
Yup. For straight wall cartridges.
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#8
This gets more mysterious. My neighbor friend used to do a lot of business with one of the largest, oldest and most respected gun shops in San Diego. I called them and spoke to their gunsmith Sent him the pictures of the tools. His response was and i quote "Not any chamber reamers I have ever seen and I have seen many and designed many for custom chambers and throats" " These don't resemble any shotgun, pistol, rifle reamer, throated neck cutter I've ever seen."
Hmmmmmm.
Hickory Dickory Dock. Three mice ran up the clock. The clock struck one! The other two escaped with minor injuries.
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#9
I can't imagine what else they would be -- case cutters?

Hehe... unless the gunsmith offered you a low price on them. :)
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#10
(11-23-2015, 08:45 PM)docclock Wrote: "Not any chamber reamers I have ever seen and I have seen many and designed many for custom chambers and throats" " These don't resemble any shotgun, pistol, rifle reamer, throated neck cutter I've ever seen."

I'm no professional gunsmith, but I have to agree. They don't look like any type of firearms reamer that I've ever seen either. 17428
Willie
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