This is Chicago Pneumatic part number Z8366412 (also carried as 3310103348) chuck – Complete, round, stocked at Crowder Supply as CP-Z8366412. 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 is called out in the parts diagram for the CP 0009 A F E CS ES AC Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the CP tool catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: Z8366412
- Also listed as: 3310103348
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-Z8366412
- Listed on breakdowns for: CP 0009 A F E CS ES AC Rock Drill
