Ordering by number: this is 3376608123, the Atlas Copco hollow bolt. This holds the assembly together under impact. Torque and thread condition matter more here than on static equipment.
It is called out in the parts diagram for the LCD 500 & LCD 1500 Hydraulic Core Drill and COR 5/15 Hydraulic Core Drill, and on 1 other machine.
Everything else on that machine is one page away on the parts breakdown index; complete tools are on the Atlas Copco lineup. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3376608123
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3376608123
- Listed on breakdowns for: LCD 500 & LCD 1500 Hydraulic Core Drill, COR 5/15 Hydraulic Core Drill, MHC5 Hydraulic Core Drill

