you could tech screw it directly to the fence without the need for the channel.
the trick is to drill from the back of the fence into the sign. then screw through the face into the pilot hole.
this is because if you go through the face, the bit can skid to the right/left due to the galvanised finish and bull nose shape of the fence.
Martin, there are clips that will fit it but couldn’t tell you where to get them from sorry. I normally use a bit of flat bar for that sort of fence with a couple of holes drilled in it to fit the bolts, standard m8 (I think, can’t remember now) nuts bolts & washers.
I was going just to supply to the customer so thought channel with fixings would be easier for the customer. But thanks for the idea I can easy pass them on if I cant find anything.
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