Re: Identify carbide parting insert?

One key is to use a releif (sp?) angle of almost zero. If the cutoff tool wants to chatter or
dig into the work, it runs into itself.

Hul

Jim Wilkins <muratlanne@gmail.com> wrote:

"Snag"  wrote in message news:v0f325$3eot8$1@dont-email.me...

  That insert looks just like the ones for my Shars holder . The holder
is a Shars P3W x 3/4 , number on the container is 202-9578 . The insert
package is numbered 404-0416 , might be the Shars part number . They are
1/8 thick , .562 long and .311 wide at the widest point .
Snag

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Thanks, the picture for 202-9578 shows the insert not bottomed in the slot,
same as mine, so the inserts should be correct for the holder, they were in
separate drawers of used tooling from auctions. The series is GTN which I
can now look up. Google is like magic; you have to know the right words.

Are there any special tricks to using them? With HSS I run below chatter
speed and keep the bottom of the groove constantly oiled with a needle
dropper bottle.