This is Chicago Pneumatic part number R137977, cross-referenced to 3310103585 chuck sleeve, stocked at Crowder Supply as CP-R137977. Retaining the tool steel is its whole job. Worn retention lets the shank hammer against the bore and turns a cheap part into an expensive front head.
The published breakdown lists it on the CP 0069 Rock Drill. The tool itself is the CP 0069 Pneumatic Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: R137977
- Also listed as: 3310103585
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R137977
- Listed on breakdowns for: CP 0069 Rock Drill

