WTB micro boring head cartridge for boring bars

collector · Nov 22, 2018

Hi guys
Looking to find and buy some boring bar micro heads.Here are some picture to show what I am looking for the bars ars 50 taper. This should give idea what I am looking for

thanks Collector

thermite · Nov 23, 2018

collector said:
Hi guys
Looking to find and buy some boring bar micro heads.Here are some picture to show what I am looking for the bars ars 50 taper. This should give idea what I am looking for View attachment 242843 View attachment 242844 View attachment 242845 thanks Collector

If it were my need, I'd be "selecting" a system or "family" first. Borrowed photos? Or do you have the very ones shown? If so, who made them, and are you happy with them?

EX: The old DeVlieg? Cartridges, basically. Those needed the whole "support infrastructure" for offline setting and such - at which point they could be serious-good.

Without it? Essentially useless.

Same again, most other systems out there these days. They all can work, but they are not all the same for all work.

Pick one. Or a "shortlist". Then chase off that list, not the whole world.

JB Bergman · Nov 23, 2018

Hey Thermite,
Defiantly look Devlieg to me.
Lets ship them through Fastenal!!!!!
JB

thermite · Nov 23, 2018

JB Bergman said:
Hey Thermite,
Defiantly look Devlieg to me.
Lets ship them through Fastenal!!!!!
JB

I don't think those ones are DeVliegs, actually. There are tons of newer goods out there.

Mind, I'm so old their pre-carbide-era "microbore" is about the only one I DO recognize - so it's by elimination!

gbent · Nov 23, 2018

Collector, you are going to have to tell us what size you want. Those look like DeVlieg cartridges to me. DeVlieg cartridges were made in sizes 1, 2, 3, 5, 7, and 10, with 1 being the smallest. If I have to guess, I'd say those are #5. Then they are available in all sorts of end configurations, in brazed carbide, hss, and indexible. Then there is whether you want cartridges for 90 degree mounting or angular mounting.

Dials are a little simpler, depending on whether you want straight or angular mount dials. The thread is the same, just the number of graduations differ. Then there are also the washers for the socket flat head screw.

I have a small selection, let me know what you want.

There are no pre carbide era Microbore cartridges, just cartridges that aren't carbide tipped.

johnoder · Nov 23, 2018

I'd say those are #5.

Which I think means 1/2" dia. thread

gbent · Nov 23, 2018

Here is a size comparison, along with some different styles.

thermite · Nov 23, 2018

gbent said:
There are no pre carbide era Microbore cartridges, just cartridges that aren't carbide tipped.

LOL! Point taken, How about "when carbides were still for richer companies than some of us worked for!"

Mind - if the firms HAD invested in upgrades to Carbides we might not have BEEN so damned poor.

That water is 60 years under the bridge, already, but the point still applies, I am sure!

Keep up - or lose out to those who do.

collector · Nov 24, 2018

Hi Gbent
It looks like I need size 7 and 10 to fit the boring bars. And they would have to be angled back ones. Like the number 10 you show.Heres a couple pictures. And a boring bar I made up. And if yours are for sale I am interested.
Thanks Collector

Jason5555 · Nov 25, 2018

I several brazed carbide size 7 cartridges new and gently used. I aslo have 1, 2, & 3. I wont beable to take pictures until after work late sunday night so please PM if interested. Respectfully,
Jason

sfriedberg · Feb 28, 2019

That would be great, keeroo, but your company website doesn't actually list any Devlieg MicroBore cartridges. Just stuff for your own line of deep hole boring tools.

So, does Klloys actually make cartridges compatible with MicroBore, or was this just a sloppy spam?

lazz · Feb 28, 2019

Anybody want this pair for $10 shipped anywhere a flat rate box goes...

Mold God · Mar 2, 2019

Still looking for cartridges? I have a few but do not know the size. From the previous posts, they may be 7 or 10 and are for 45 degree mounting.

JRock1000 · Mar 2, 2019

I got a whole bunch of tooling for a Devlieg JigMill Spiramatic.
Whole bunch of Mikro-Tech cartridges. I'm not sure what they go to.
Then a bunch of The MicroBore Turning tools?
I'll post again, they only let me put 5 photos in a post
Is this the stuff you're looking for?

JRock1000 · Mar 4, 2019

Forgot I had a box of these. I think the heads in my first photo are interchangeable boring bar heads, not the Micro-bore stuff.

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