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What type of tool holder is this?
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tgerbic
I am trying to organize my lathe/mill tools and came across this tool holder in a box of older tool holders I purchased decades ago. I don't seem to be able to identify the type and what it was used on. At first glance it looks a bit like an R8 but physically not the same. Anyone know what type it is?
No application for my SB9 or any of the fixtures/tooling for it. My vert mill is R8 and my horiz mill is one of the Atlas MFCs. It is 4" long and the big end is 1.45" dia with a 1/2" hole in it. I assume for a 1/2" inch shank milling cutter. The big end of the taper is 1.18". The draw bar is 1/2-13. The outer threads are 7/8-24. The shaft is 0.8" dia and 3" long to edge of taper.   |
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Mike Poore
2-A and 4-C are close, but not a match to your measurements. Is it
shop made? It could be a mistake that never got scrapped. I have a
couple of my own mistakes lying around that somebody will be posting
questions about in 30 years.
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On 6/28/2022 11:55 PM, tgerbic wrote:
I am trying to organize my lathe/mill tools and came across this tool holder in a box of older tool holders I purchased decades ago. I don't seem to be able to identify the type and what it was used on. At first glance it looks a bit like an R8 but physically not the same. Anyone know what type it is? |
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houdini
go to lathe collet sizes chart on google , u can do the same for the mill
On Wednesday, June 29, 2022 at 07:10:25 AM EDT, tgerbic <tgerbic@...> wrote:
I am trying to organize my lathe/mill tools and came across this tool holder in a box of older tool holders I purchased decades ago. I don't seem to be able to identify the type and what it was used on. At first glance it looks a bit like an R8 but physically not the same. Anyone know what type it is? No application for my SB9 or any of the fixtures/tooling for it. My vert mill is R8 and my horiz mill is one of the Atlas MFCs. It is 4" long and the big end is 1.45" dia with a 1/2" hole in it. I assume for a 1/2" inch shank milling cutter. The big end of the taper is 1.18". The draw bar is 1/2-13. The outer threads are 7/8-24. The shaft is 0.8" dia and 3" long to edge of taper.   |
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mike allen
looks & sounds like a end mill holder with the taper/ slot. threaded hole for a drawbar . Here's a pretty good list that may have a match for what ya got . https://littlemachineshop.com/reference/tapers.php animal On 6/28/2022 8:55 PM, tgerbic wrote:
I am trying to organize my lathe/mill tools and came across this tool holder in a box of older tool holders I purchased decades ago. I don't seem to be able to identify the type and what it was used on. At first glance it looks a bit like an R8 but physically not the same. Anyone know what type it is? |
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tgerbic
It looks like a professional made holder and it has some wear on it from use. Since it does not appear to be a standard lathe or mill tool holder/collet tool, I suspect it fits some spin indexer or tool grinder device. It came with a bunch of machines and tooling from a long time journeyman machinist from the 50s to 70s era, so it is pretty old. Though I still have a lot of his old machine shop tools and equipment, it does not fit anything I still have.
Would be nice to figure out what this fits in case it is a hard to find item for some persons equipment. Tony |
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