This is the Tamco/Toku front head – 7/8 X 3 1/4″ part number 430126W60, Crowder SKU TK-430126W60. The front head carries the working steel and takes the recoil of every blow, which makes it one of the highest-wear structural parts on a rock drill.
The published breakdown lists it on the TJ 20 Rock Drill (RD 40). That machine is the Tamco/Toku TJ-20 Rock Drill if you are pricing a replacement rather than a repair. 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.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 430126W60
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-430126W60
- Listed on breakdowns for: TJ 20 Rock Drill (RD 40)

