This is the Tamco/Toku ratchet ring part number 430101G60, Crowder SKU TK-430101G60. Rotation components on a rock drill take a load impulse on every blow, so they are wear items with a predictable service life.
The published breakdown lists it on the TJ 15 Rock Drill (RD 30). That machine is the Tamco/Toku TJ-15 Rock Drill if you are pricing a replacement rather than a repair.
Everything else on that machine is one page away, and the parts diagram library indexes every breakdown we publish. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 430101G60
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-430101G60
- Listed on breakdowns for: TJ 15 Rock Drill (RD 30)

