Ordering by number: this is 1280583778, which replaced the older number 02398, the American Pneumatic Tool retainer bolt. It holds the working steel in the rock drill. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
It is called out in the parts diagram for the 137 Rock Drill. The complete machine is the APT 137 Pneumatic Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280583778
- Previous part number: 02398
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT2398
- Listed on breakdowns for: 137 Rock Drill
