This is Tamco/Toku part number Y10103220 pawl spring, stocked at Crowder Supply as TK-Y10103220. Rotation components on a rock drill take a load impulse on every blow, so they are wear items with a predictable service life.
It appears on the THD 1100N Rock Drill and THD 1100U Rock Drill (CP9A) breakdown.
If you need the parts around it, the parts diagram hub has the full breakdown library, and the Toku tool catalog covers the machines themselves. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: Y10103220
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10103220
- Listed on breakdowns for: THD 1100N Rock Drill, THD 1100U Rock Drill (CP9A)

