- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
Drilling Tool Luhai non-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability. API monogram, serial number, OD,ID, type and size of connections are stamped on recessed mill flats. Magnetic Properties of Non-magnetic Drill Collar When MPS=1×1054πAm Relative magnetic permeabilityμr≤1.1010 Magnetic Field
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