This is Tamco/Toku part number Y10106240 chuck – discontinued, stocked at Crowder Supply as TK-Y10106240. This part keeps the steel captive in the rock drill under repeated impact, so it is inspected at every steel change and replaced on condition rather than on a schedule.
You will find it on the diagram for the THD 1100U Rock Drill (CP9A). Compare it to the reference callout on the diagram to be sure it is the position you need.
The full diagram library indexes every breakdown we publish, and the Toku tool catalog has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: Y10106240
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10106240
- Listed on breakdowns for: THD 1100U Rock Drill (CP9A)
