I bought inserts that were too small

[erikmannie]

I am posting this in the Precision Matthews section because I bought my insert kits from Precision Matthews. I think this is a very common size.

So I thought I did good research in finding the part number for this insert that I bought. The dark colored carbide insert on the left is the one that I bought. The gold colored carbide insert on the right is what I’m using.

I actually have a use for this small insert, as well, but do you guys know the part number for the large insert on the right? I like carbide.

I will also upload a screenshot of the eBay product that I bought which is the small insert.

 

[erikmannie]

This is the eBay auction for the small gray insert.

 

[darkzero]

Small one: CCMT 21.5_
Larger one: CCMT 32.5_

"_" denotes the nose radius you want.

 

[darkzero]

The above are ANSI designations.

ISO designations are:

21.5_ = 06020_
32.5_ = 09T30_

 

[erikmannie]

Thank you!
Here is info from the PM insert kit that I bought:

 

[erikmannie]

The above are ANSI designations.

ISO designations are:

21.5_ = 06020_
32.5_ = 09T30_

I’m going to look for some now, and I will post a picture.

 

[erikmannie]

Are these the correct (carbide) inserts?

 

[erikmannie]

And for HSS? I will try to find a candidate there.

 

[darkzero]

I don't know why they call it 300 series, never heard that before. But the 300 would indicate 3/8" inscribed circle which are the 32.5_/09T30_ inserts.

This link will be very helpful:

Insert Designation Chart - provides ANSI and ISO designation code definitions for carbide insert shapes, relief angles, tolerances, chipbreaker codes, hole types, size values, thickness values, radius values, wiper lead angle, wiper clearance angle,

Carbide Insert Designation Chart

www.carbidedepot.com

 

[darkzero]

Are these the correct (carbide) inserts?
View attachment 325758

Yes.

32.51 & 21.51 (04 for ISO) are the most popular nose radius for CCMT/CCGT/CCGX inserts, 1/64" nose radius.