This is American Pneumatic Tool part number 1280582625, previously 17780 pin, stocked at Crowder Supply as APT17780. This is location hardware it keeps parts indexed to each other under impact loading, and it is normally replaced any time the joint is opened.
Crowder’s breakdowns list this part on the 109 Mini Rock Drill. It comes off the APT 109 Pneumatic Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
Everything else on that machine is one page away, and the parts diagram library indexes every breakdown we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582625
- Previous part number: 17780
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT17780
- Listed on breakdowns for: 109 Mini Rock Drill

