vic008 17 Posted September 11, 2018 Share Posted September 11, 2018 One inch 316 tubing. To bolt to it I can flatten the last 2 inch and drill thru it, or can drill thru it without flattening and use a longer bolt. Any preference? Quote Link to post Share on other sites
Steve Pope 243 Posted September 11, 2018 Share Posted September 11, 2018 You can do either, depends on the wall thickness of the tube as to the amount of crush you will get. if you want to keep the diameter the same it would need an insert inside. 1 Quote Link to post Share on other sites
vic008 17 Posted September 13, 2018 Author Share Posted September 13, 2018 Thanks-solar panel mount. Using 1" canopy fittings with grub screws. Haven't welded anything.Now do you drill a wee hole/big hole or no hole at all for the grubscrew point? Quote Link to post Share on other sites
Vorpal Blade 89 Posted September 14, 2018 Share Posted September 14, 2018 Mmost canopy fittings with grub screws have a reasonable point on them so dont bother with a hole. If you get keen you can whack it with a dot punch in the appropriate spot. Quote Link to post Share on other sites
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