Dome Nut, Atlas Copco part number 3121029200, listed at Crowder Supply as AC-3121029200. This is clamping hardware for the rock drill, and it is normally renewed alongside the bolt or stud it runs on.
Crowder’s breakdowns list this part on the RH 658L/LS/LS-01 Rock Drill and RH 656W Rock Drill. The tool itself is the RH 658 L Surface 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.
Everything else on that machine is one page away, and the parts diagram library indexes every breakdown we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3121029200
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121029200
- Listed on breakdowns for: RH 658L/LS/LS-01 Rock Drill, RH 656W Rock Drill
