tontandrill
Marked 3 months 4 days ago onto Tool Joint
Source: https://www.tontandrill.com/api-thread-tool-joint/tool-joint.html
Drill Pipe, Tool Joint,Drill Rig,Casing Pipe,Drill Bit Supplier
1.OD: 57-229mm
2.Material:35CrMo/40Cr/4137H
3.Length: N:235mm M:195mm
4.Apply to connection drill rod with Well Drilling,Geological drilling
5.Tool Joint: NC, IF, REG, FH.
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