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Friction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.China Friction Welding Drill Pipe 4" G Grade with API 5dp china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingFriction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.China Friction Welding Drill Pipe 3 1/2" G Grade with API china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingFriction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.

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Friction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.China Drilling Pipe, Drilling Pipe Manufacturers china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingGoodeng High Quality Horizontal directional drilling rig accessory drill rod/drill pipe for HDD machineHigh Quality API 5CT J55/K55/L80/R95/N80/C90/T95/C110/P110/Q125 Steel Oil Drilling Casing Pipe for OCTGChinese Supplier for Steel Down The Hole Water Well Rock Drilling DTH Drill PipeAISI 4145h Oil/Gas/Water Drilling Heavy Weight Drill Rod/Drill Pipe O. D 127mm with API Spec 7-1China Drill Pipe, Drill Pipe Manufacturers, Suppliers china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingFriction Welding Drill Pipe 4" G Grade with API 5dp. FOB Price: china api 5dp friction welding drill pipe drilling pipe 5 Hole drilling 1 piece. Product Information Friction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after china api 5dp friction welding drill pipe drilling pipe 5 Hole drilling Chinese Supplier for Steel Down The Hole Water Well Rock Drilling DTH Drill Pipe. FOB Price: US $ 60-4000 china api 5dp friction welding drill pipe drilling pipe 5 Hole drilling

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Sep 24, 2020 · BOHAI NKK DRILL PIPE Co., Ltd. (BHNK) was founded in 1995. It mainly produces high strength drill pipes which are used in petroleum exploration and well drilling. As the oldest domestic famous drill pipe manufacturer, BHNK is equipped with the most advanced technology, equipment, quality, and rich production experience in China.China Drill Pipe Price, China Drill Pipe Price china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingHigh quality Friction Welding DTH drill pipe price / drill rods price 76,89,102,114mm for rock blasting and water well drilling Xuanhua Superman DTH Machinery Co., Ltd. US $50.00-$100.00 / PieceChina Api Drilling Tools, Api Drilling Tools Manufacturers china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingChina Api Drilling Tools manufacturers - Select 2021 high quality Api Drilling Tools products in best price from certified Chinese Custom Hand Tools, Wheel Tools suppliers, wholesalers and factory on Made-in-China china api 5dp friction welding drill pipe drilling pipe 5 Hole drilling

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API Spec 5dp Oil Drill Pipe L 127mm G105 or S135Drill Rod Drill Pipe API Reg Thread 2-3/8", 2-7/8", 2-7/8 If, 3 1/2" for OilfieldAISI 4145h Oil/Gas/Water Drilling Heavy Weight Drill Rod/Drill Pipe O. D 127mm with API Spec 7-1Mining / Water Well DTH API Drill Pipe Customized Color in Oilfield for Hydraulic Water Well Drill RigChina API Spec 5dp Oil Drill Pipe L 127mm G105 or S135 china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingFriction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.China API Spec 5dp Friction Welding Drill Rod/Drill Pipe 5 china api 5dp friction welding drill pipe drilling pipe 5 Hole drillingFriction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and phosphating to better antiseize.