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Shade Tree Welder 07-08-2022 08:08 AM

Quote:

Originally Posted by greywynd (Post 785715)
Huh. Kind of cheating using 12L14. [emoji16]

The last acme threads I did last fall were all stainless. Those are worth having carbide inserts for, but even then, I think one tip lasted through all the parts I did. (Set of three if I remember right.)

I have some Kennemetal Acme inserts Top-Notch, you can buy them in 5 packs,
I think they are either 4 or 5 TPI. But I already had the holders for them 3
gauge IC for Top-notch/Top-Lok and have the clamp for both the Kennametal
and Sandvik geometries.

I also only ever used one of them and it is still good.

greywynd 07-08-2022 08:53 AM

Yep, kennametal is a good quality product, it’s the insert of choice for most of us doing lineboring too.

The boring bar I bought this spring is also from them, pricey but worth it IMO.


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