This fastener is used on all current and most other Patriot Electric Wood Chippers to attach the rotor to the motor shaft. The fastener is also used on all Patriot Model CSV-2540B and CSV-2540H Gas Wood Chippers to attach the rotor to the engine shaft.
For a short period, from 2000 to 2002, a shorter fastener, part number 731500002, available at bottom of page, was used to attach the rotor to the motor shaft.
NOTE: This fastener should always be used with a lock washer, part number 705620005, available at bottom of page.
NOTE: This fastener and a lock washer are provided with replacement rotor parts kit 308000792B, available at bottom of page.