Tooling For Criterion Boring Head

[rwm]

I recently purchased this Criterion 202 boring head and I now have reason to use it:



You can see that I have a short boring bar mounted. I want to use the horizontal mounting hole to bore a larger diameter hole. If I use the existing tool the "heel" of the tool will be presented to the work. I think I need a different geometry. Maybe a left handed tool? What is the appropriate tool for this specific application?
Another option would be to rotate the tool facing the other direction and run the machine in reverse?

 

[woodchucker]

yep, just turn it over and run in reverse.

 

[mmcmdl]

Another option would be to rotate the tool facing the other direction and run the machine in reverse?

Woodchucker beat me once again . You can also turn shafts this way .

 

[RaisedByWolves]

Woodchucker beat me once again . You can also turn shafts this way .

Easy button.

OP, broken endmills are also very useful in boring heads.

Their cheap (Free?) and have very little if any flex compared to a standard boring bar.

 

[extropic]

I don't suggest running it in reverse, if your boring head has a screw-on shank.

What diameter do you intend to bore?

 

[benmychree]

Crieterion sold a boring bar to fit that head that had broached holes to fit square tool bits. I use Bokum boring bars in mine.

 

[rwm]

@extropic It does have a threaded head. Thanks for the heads up (heads off?) I need a hole 3.5". I may be able to do it with the tool as is, but it will be close. Criterion lists the max size for the lateral hole as 3" but obviously it could be a little larger depending on the tool diameter at the cutting edge.

 

[rwm]

There's this from Mesa tool:

 

[NCjeeper]

I second Mesa tools.

 

[Video_man]

Regular brazed carbide boring bars will work. I also modified an Aliexpress boring bar insert holder to fit, works nicely. Whatever, you want a tool which will cut when you are rotating clockwise, considering your screw-on arbor.