This is Atlas Copco part number 3310149600 tool chuck – 1 x 4-1/4″ hex, stocked at Crowder Supply as AC-3310149600. 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.
It appears on the TEX 140P PS Paving Breaker breakdown. Check it against the reference number on the diagram first; serial breaks change what fits.
The parts breakdown index indexes every breakdown we publish, and the Atlas Copco catalog has the tools these parts go into. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3310149600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3310149600
- Listed on breakdowns for: TEX 140P PS Paving Breaker

