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Any exposed steel through cuts and field welding get repaired with galvanize repair paint. Of course if the environment calls for SS then it should be used. One trick to cutting all threads and not damaging the threads is to pre load them with nuts. after cut is made remove the nut and it will...

Run the same threaded rods through the concrete column instead at say 6" gage at center spacings min edge cover 4" preferably 6". If you hit a rebar, do not drill through just patch and relocate. Much safer. If temporary then just remove and patch and refinish surface. You can also use Hilti...

I usually switch the SS with all threaded hot dipped galvanized Rods. Buy in 10 ft lengths and cut to length. Reduce cost.

gte447f, I agree, Saw first hand what a torch and a pipe and/or sledge hammer will do to a rebar. Rebar broke like glass. Made them replace the are effected and splice new bars. they were not happy since it involved removing formwork.

I use Tedds, Like it but feel that CSC got me by the Balls. They do not publish their pricing and feel like going to a car dealership when buying. They will get you with the annual maintenance.

You are correct in a sence that they do exist, but very very hard to find. Most likely by special order. Specify one and hope that the subcontractor will get it. The problem is by the time you catch the sub placing the wrong type it is too Late. Once they are placed, it is impossible to take...

All expansion bolts are zinc coated electronically and not hot dip galvanized. Thickness of such coating are in microns and not good enough for exterior use. See them every day on cheap barbecue grilles... etc. Use Hilti epoxy anchors with SS threaded rods or hot dipped galvanized rods...