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Contact SupplierProduct Description of non-magnetic drill collar
Our non-magnetic drill collar are manufactured from integral non magnetic alloy steel according to API spec -7-1 and SYT5144. All thread can be phosphated, copperised or cold worked. All thread are machined with CNC Lathes-double-shouldered and special thread.
Specifications
1. Top supplier of API non-magnetic drill collar
2. Non-magnetic or 4145h material
3. Reliable quality with good service
4. Size range: 3 18"-11"
skype: lucky_lakepetro