Through Bolt is the Tamco/Toku service part carried under part number 131503005. This holds the assembly together under impact. Torque and thread condition matter more here than on static equipment.
It appears on the TJ 20 Rock Drill (RD 40) breakdown. It comes off the Tamco/Toku TJ-20 Rock Drill.
Need the parts around it? They are on the same breakdown, and the full diagram library covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 131503005
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-131503005
- Listed on breakdowns for: TJ 20 Rock Drill (RD 40)

