This is Atlas Copco part number 3111001000 washer, stocked at Crowder Supply as AC-3111001000. This distributes bolt load across the joint face on the rock drill. Flattened or dished washers are replaced during reassembly.
Crowder’s breakdowns list this part on the BBD 12D DS Rock Drill. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3111001000
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3111001000
- Listed on breakdowns for: BBD 12D DS Rock Drill
