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Spline Shaft: coordinate), CNC cylindrical grinding machines, etc., to meet the processing needs of various hollow, solid, ultra-long, large shaft parts and other products. The length of the deep hole is 14m, and ...

Non-magnetic Drill Collar: Detailed Product Description drill collar 1)O.D: 2-3/8"-20" 2.Grade:J55 K55 N80 P110 ect 3.Thread :NU EU STC LTC BTC 4.Standard: API 5CT... drill collar Materials of the Non-magnetic drill collars ...

Drill Pipe: The pipe body is in conformance in API 5DP with serious inspection in plant. Tool Joints are made of AISI4137 premium alloy steel fully Q and T with IPSEN furnace. All tool joints should be inspected ...

Integral Heavy Weight Dill Pipe: Integral heavy wall drill pipe is of medium weight and similiar with the ordinary drill pipe, there are lengtherned joints at both ends. The raw material is AISI 4145HMOD alloy steel, the size is ...

Spiral Drill Collars: The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel according to API Spec 7 and aSY/T 5144 . All threads can be phosphated,copperised or cold worked. All threads are ...

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Spline Shaft