Valve Seat – Middle, Tamco/Toku part number Y10212170, listed at Crowder Supply as TK-Y10212170. Cycle timing runs through this component. Because it shuttles on every blow, it accumulates cycles faster than almost anything else in the chipping hammer.
It is called out in the parts diagram for the THH 1 2 3 4 Chipping Hammer.
The parts diagram library indexes every breakdown we publish, and the Tamco/Toku lineup has the tools these parts go into. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: Y10212170
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10212170
- Listed on breakdowns for: THH 1 2 3 4 Chipping Hammer

