Rotation Chuck Bushing, Atlas Copco part number 3121002301, listed at Crowder Supply as AC-3121002301. Retaining the tool steel is its whole job. Worn retention lets the shank hammer against the bore and turns a cheap part into an expensive front head.
Crowder’s breakdowns list this part on the RH 658L/LS/LS-01 Rock Drill. That machine is the RH 658 L Surface Rock Drill if you are pricing a replacement rather than a repair. Compare it to the reference callout on the diagram to be sure it is the position you need.
Need the parts around it? They are on the same breakdown, and the parts diagram hub covers every machine we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3121002301
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121002301
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill
