This is the Tamco/Toku cylinder pin – 6 x 25 part number 130606025, Crowder SKU TK-130606025. It carries the piston and the port timing for the rock drill. Bore wear is gradual, so it is usually diagnosed by falling performance rather than a breakdown.
It is called out in the parts diagram for the TH 800 Rock Drill. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the Tamco/Toku tool range. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 130606025
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-130606025
- Listed on breakdowns for: TH 800 Rock Drill

