ausfire Posted August 31, 2017 Share Posted August 31, 2017 Anyone heard of Hobson Hobcote all-thread?? It doesn't look like galvanised rod but I'm sure it must have some zinc in the coating. I was in our major hardware store this morning and the storeman was adding some galvanised rod to the racks. I asked him about the 'black' rods and he said they were coated with Hobcote',but he didn't know what it was. Anyway, it seems that builders prefer the heavy gal rods and the good thing was the store was happy to let me have the black rods at a giveaway price. So I now have over 60 metres of 12mm threaded. I use threaded rod for forging snakes (the old rusty stuff is best), but I think I will have to acid dip this stuff before it goes in the forge. Just wondered if anyone else has used it. Quote Link to comment Share on other sites More sharing options...
JHCC Posted August 31, 2017 Share Posted August 31, 2017 A little Google-Fu tells me that it's spelled "Hobkote" and (to quote Hobson's website) has "5-8 micron in thickness and a specially formulated passivation. The Hobkote® coating performs with 33% more corrosion resistance than Zinc Plated product." More than that, I could not say. Quote Link to comment Share on other sites More sharing options...
ausfire Posted September 1, 2017 Author Share Posted September 1, 2017 Ah yes, Hobkote. Thanks JHCC. So it's 33% more corrosion resistant than gal, but they aren't saying what's in it. Must be a trade secret. Anyway, it bubbles in HCl. Quote Link to comment Share on other sites More sharing options...
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