This is the Atlas Copco chuck nut part number 3121010100, Crowder SKU AC-3121010100. 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 appears on the BBD 46 WS/WR Rock Drill breakdown. 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 breakdown index indexes every breakdown we publish, and the Atlas Copco catalog has the tools these parts go into. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3121010100
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121010100
- Listed on breakdowns for: BBD 46 WS/WR Rock Drill
