On Jul 18, 7:14, Feldman, Robert wrote: glue" that can bond slippery plastics like delrin and molded nylon that should work. It is fairly expensive, though. I haven't used it myself, but I've read about it in the model railroad hobby press. There's a type of Loctite that does as well -- even sticks polythene. I can't remember the number, thugh. Unfortunately it costs something like UKP 35 for a tiny bottle (well, two bottles, actually, because it comes with an activator). -- Pete Peter Turnbull Network Manager University of York