- Mining Machinery Parts[10]
- Cast & Forged[1]
- Drill Bit[10]
- Tool Parts[1]
Products List
non-magnetic drill collar
non-magnetic drill collar
1.size: from 3 1/8" to 11''
2.length:from 10' to 31'
non-magnetic drill collar is made of low carbon chromium manganese steel ...
non-magnetic drill collar
non-magnetic drill collar
1.size: from 3 1/8" to 11''
2.length:from 10' to 31'
non-magnetic drill collar is made of low carbon chromium manganese steel ...