The SMC CUJ-M3X29L Mounting Bolt is a crucial component for securing the CUJ series compact cylinders in pneumatic automation systems. Designed for precision and reliability, this mounting bolt ensures stable installation and optimal performance of SMC's space-saving cylinders. Ideal for applications requiring compact and efficient cylinder setups, the CUJ-M3X29L is a non-cancelable, non-returnable part, emphasizing its specialized use in industrial settings.