Armstrong tool holders

didn't I buy some of these off u once, my memory is going
don't need the carb holder
will take the rest
shoot me your address and will...

[Bob Engelhardt]

I don't know why anybody would still use Armstrong holders, but there's a good market on eBay, so somebody must. If anybody here wants these, they're...

[Bob Engelhardt]

Thanks for the replies - my curiosity about it is satisfied.

Re: Carbon or Graphite? - don't really know, I used the term "carbon"...

[Bob Engelhardt]

That's brilliant!
Couldn't you do that to just one of the ears?...

[Bob Engelhardt]

Electrolytic rust removal involves a scrap-steel anode, an electrolyte bath, and the rusty-part cathode. Years and years ago I read that you could do...

[Bob Engelhardt]

I don't get it: the axis of rotation is the pivot pin. Anything pivoting on it will be in a plane perpendicular to the bed if and only if the pivot is...

[Bob Engelhardt]

Really impressive! He takes 2-3 weeks per photo, 8-10,000 exposures. Then he gets a print: "I'd like a 5 x 10 ... 5 x 10 FEET"....

[Bob Engelhardt]

Thanks ... I did make the washers and I'll tighten them....

[Bob Engelhardt]

https://www.ebay.com/itm/382004820096


The seller says for a use on a shaft, but that might not mean much.


...

[Bob Engelhardt]

Thanks, and do you compress them very tightly?...

[Bob Engelhardt]

I bought some maroon Scotch-brite wheels to put on a bench grinder. I'm going to use two 1/2" ones together. Is there a special way to mount them?...

[Bob Engelhardt]

C'mon - his reply was less than 24 hours after his original post. Some guys sit at their computer forum-ing in real time, but we shouldn't expect everyone...

[Bob Engelhardt]

No. Lamps are commonly made with their wires running inside steel tubes. And with 2-conductor no-ground cords. I'd guess that the rational is that there...

[Bob Engelhardt]

I've never used my lathe in reverse, but I did have the (nice Bison) 3-jaw come off and break a corner off. It was running high speed and when stopped,...

[Bob Engelhardt]

Still crazy stupid, but "only" 60 bar....

[Bob Engelhardt]

Maybe he's a NOOB who's not familiar with the need for tolerances and who is also not familiar with forum protocol (giving the big picture of what he's...

[Bob Engelhardt]

Oh ... there's a far right button to. Well, OK then. Just curious: why would one want to go to the last & not 1st unread? I.e., why would one...

[Bob Engelhardt]

Close, but not exactly - it takes you to the 1st unread post....

[Bob Engelhardt]

The old "sunk cost" fallacy raises its ugly head again. It's irrelevant that they are already equipped with pumps. The relevant question is:...

[Bob Engelhardt]

What matters is the SFM at the cutting edge. So, when drilling, it's the diameter of the bit that "determines" the speed. But, as somebody...