Resin is obviously a great way forward as it holds well without creating stress, but it’s much more work and the nuts don’t look as neat as a screw or bolt head. I think with it being ‘only’ 500mm high, I’d be tempted to get long outdoor screws, preferably with a hex head...
Total options:1 Type;51 Bolts length;11 Thread size. Select now Type(1):Hex flange bolts Hex flange bolts Bolts length(51):6mm 6mm8mm55mm12mm14mm15mm16mm+44 Thread size(11) M4M5M6.3M16M20M27M110+4 Shipping Shipping solutions for the selected quantity are currently unavailable ...