This is Atlas Copco part number 3121076980 rotation chuck – complete, stocked at Crowder Supply as AC-3121076980. 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 RH 658L/LS/LS-01 Rock Drill and RH 656W Rock Drill breakdown. The complete machine is the RH 658 L Surface Rock Drill.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3121076980
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121076980
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill, RH 656W Rock Drill
