This is Chicago Pneumatic part number Z8767412, which also shows up as 3310190181 chuck retainer ball set, stocked at Crowder Supply as CP-Z8767412. It holds the working steel in the rock drill. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
It shows up in the parts breakdown for the CP 0009 A F E CS ES AC Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The parts diagram library indexes every breakdown we publish, and the CP tool catalog has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Z8767412
- Also listed as: 3310190181
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-Z8767412
- Listed on breakdowns for: CP 0009 A F E CS ES AC Rock Drill
