This is the Atlas Copco circlip part number 3378512023, Crowder SKU AC-3378512023. It locates or retains an assembly inside the drill. Small as it is, a sheared or walked-out pin lets a whole subassembly shift.
Crowder’s breakdowns list this part on the COR 5/15 Hydraulic Core Drill and MHC5 Hydraulic Core Drill, and on 1 other machine. 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 diagram hub; complete tools are on the Atlas Copco lineup. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3378512023
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3378512023
- Listed on breakdowns for: COR 5/15 Hydraulic Core Drill, MHC5 Hydraulic Core Drill, LCD 500 & LCD 1500 Hydraulic Core Drill
