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Circlip groove

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BillTodd:
I found a used carbide grooving insert 0.75mm by my measurement.  Might have one good edge, or would sharpen on a diamond lap.

Ph Horn 312.0070.15 1N32

Pm your address and I'll pop in the post

John Rudd:
Bill,
That’s a great gesture….I’ll bear it in mind. Does it need a holder of some sort?

In the meantime, I’ll give some other ideas a go…

BillTodd:
Side on it's triangular with a hole in the middle.

Ideally it needs to sit in a V open at the bottom . It's not difficult to make if you have a mill.

Joules:
Nice insert Bill, that's given me ideas for my own tooling cut from hacksaw blade.  Times like this I wish I had an EDM machine  :thumbup:

ddmckee54:
Used carbide drill bits with a 1/8" shank can be had off Ebay for less than a buck a piece.  These can be used to make a variety of small tools, both external tools and internal.

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