Designed for over burdens, clays and soft shale. Common designs 3 and 4 wing. More wing designs available upon request.
We can custom make any size on any available thread in 1-2 days
Sizes available: 3 7/8" - 24"
Threads available
2 3/8 API 2 3/8 IF
2 7/8 API 2 7/8 IF
3 1/2 API 3 1/2 IF
4 1/2 API 2 3/8 MHR
6 5/8 API 2 3/8 MHJ
2 3/8 FEDP
