Back Head – HD 4-1/2″ API Reg Pin is stocked at Crowder Supply under part number MD801BH03. This is location hardware it keeps mating parts indexed to each other under impact loading and is normally replaced any time the joint is opened.
Crowder’s breakdowns list this part on the MP80DH Hammer.
Use the parts diagram library to work through the rest of the assembly. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: MD801BH03
- Manufacturer: Mincon
- Crowder SKU: MD801BH03
- Listed on breakdowns for: MP80DH Hammer

