Cheap and cheerful super glue Cyanoacrylate adhesive (CA)
very high viscosity (runny) formula, will flow into gaps by capilary action. Dries (set) quickly.
will glue most plastics and metals, perfect for hobby use and general purpose.
please note that this formula will fog clear plastic.
note that all CA glues have a limited shelf life once open. About 30 days, depending on humidity and other factors.
comes with a precision application tip and pin to unclog your bottle.