I normal use aroldite, but today one of my clamps came lose, I mentioned this to a mate of mine who is a sign writter and he have me this superglue that I put on the clamp and a spray that I sprayed on the pole, pushed together and it was solid within 30 seconds, tried really hard to pull the clamp of as I couldnt believe how quick and solid it was, he said you can get this stuff from screw fix.