This is the Atlas Copco washer part number 3371806705, Crowder SKU AC-3371806705. It spreads clamp load and protects the face under the fastener routine hardware, but the wrong one changes how the joint holds torque.
Crowder’s breakdowns list this part on the PHB 3-14 Hydraulic Post Hole Borer. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the Atlas Copco catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371806705
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371806705
- Listed on breakdowns for: PHB 3-14 Hydraulic Post Hole Borer
