This stainless steel screw holds the impeller onto the Wavemaster 9000 jet pump shaft

This hex screw runs through the flange of the motor into the seal plate on a Wavemaster 7000, second version and a Wavemaster 9000 jet pump   They are used to hold the seal plate in place against the motor

This stainless steel screw secures the diffuser to the seal plate on the Wavemaster 7000 second version and the Wavemaster 9000 jet pump