This is the Tamco/Toku guide nut part number Y10103230, Crowder SKU TK-Y10103230. This part guides its mate and takes the wear that would otherwise land on the casting.
Crowder’s breakdowns list this part on the THD 1100U Rock Drill (CP9A). Check it against the reference number on the diagram first; serial breaks change what fits.
Use the full diagram library to work through the rest of the assembly, or the Tamco/Toku tool range if you are pricing a replacement machine. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: Y10103230
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10103230
- Listed on breakdowns for: THD 1100U Rock Drill (CP9A)

