Advice on carbide insert boring bar

[mike-sid]

(01-16-2015, 08:30 AM)PixMan Wrote: I don't see how a 3/8" bar is going to be able to get all the way down to a 1/4" hole.

Minimum bore diameter for most 3/8" bars will be around .410".

With a 3/8" bar you would have to go to the smaller CCxT21.5x size insert anyhow, so consider going to the CPxT1.81.51 size or smaller CPxT1.51.21. The smaller the insert, the smaller the boring bar can be, the smaller the minimum bore.

 You are so right Ken    The scary part for me, is that I understand the insert designations you are referring to.  Before we met I was clueless.  Today.....well I'm still clueless but I have a good understanding of carbide inserts.

(01-16-2015, 08:30 AM)PixMan Wrote: If it's not more than an inch & half or so deep, I just use Micro 100 solid carbide boring bars. They rock!

(01-16-2015, 10:31 AM)Highpower Wrote:

(01-16-2015, 08:30 AM)PixMan Wrote: If it's not more than an inch & half or so deep, I just use Micro 100 solid carbide boring bars. They rock!

+1

(01-16-2015, 12:19 PM)EdK Wrote:

(01-16-2015, 08:30 AM)PixMan Wrote: ...
If it's not more than an inch & half or so deep, I just use Micro 100 solid carbide boring bars. They rock!

+2

You can find them on eBay at reasonable prices.

Ed

 Well then off to Ebay to buy a Micro 100 solid carbide boring bar.  

Here is my clueless part again......Can I sharpen the Micro 100 boring bar? or hone the edge if it becomes necessary?
  I'm using 6160 AL.  I might have to step up my speed, time to do some math

Thanks to all!