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darryl
02-02-2010, 06:05 AM
I have here a piece of steel tubing called miller microbore- wondering if it's anything special- it's very smooth inside, and appears to be seamless, at least I can't find any evidence of a seam. It's also very round. ID is 3 1/4 inches, and it's 1/8 wall. When I got it years ago, it raised eyebrows as it went through the shop.

I needed a cover for a ball hitch, and this was the only thing that was large enough to fit that wasn't sloppy. I have a feeling the guy sold it to me for what typical pipe or tubing would have cost, but that it should have been more dollars. We just made a lockable ball cover out of it.

I wonder what it's original use was supposed to be- cylinder liner, perhaps?

Toolguy
02-02-2010, 09:58 AM
Maybe hydraulic cylinder.