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Application: For well drilling.
Outer packing: Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips. One tag tied on the outer package, or bulk.
A) O. D. : 2 3/8" -6 5/8
B) W. T. : 7.11 -10.54mm
2) Standard: API Spec 5D , API spec 7
3) Material: E, X, G, S
4) Continuous stenciling as per requirements
5) Rust prevention treatment, oiled, paint.
6) Plastic plugs in both ends