Protective Nut is the Atlas Copco service part carried under part number 3100964301. This is clamping hardware for the rock drill, and it is normally renewed alongside the bolt or stud it runs on.
You will find it on the diagram for the RH 656W Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3100964301
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3100964301
- Listed on breakdowns for: RH 656W Rock Drill

