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HOT!!! API 5CT Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS -
HOT!!! API Plastic Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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API 5CT Composite Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS -
HOT!!! API 5CT Plastic type Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Oilfield API 5CT Composite Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Thread ProtectorsUS$ 1 - 20MOQ: 100 SetsMaterial: PlasticTechnics: OtherType: NipplePlace of Origin: Shandong, ChinaSinotai Petroleum Equipment Co., Ltd.
5 YRS -
Smart Sourcing
1Look for
Choose suppliers with platform-verified icons for trusted status2Verify CertificationsValidate supplier certifications (ISO, CE, etc.) for compliance3Sample Testing FirstAlways test product samples before large orders4Visit FactoriesConduct on-site audits for manufacturing verification5Payment TermsUse escrow services for high-value transactions6Contract ClarityDefine penalties for delays/spec deviations in contracts -
API and H-90 connections Drill Collar cold rolled Pressed steel thread protectorsUS$ 2,000 - 4,000MOQ: 1 PieceSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API and H-90 connections Drill Collar cold rolled Pressed steel thread protectorsUS$ 2,000 - 4,000MOQ: 1 PieceCondition: NewPlace of Origin: Shandong, ChinaBrand Name: SinotaiCertification: APISinotai Petroleum Equipment Co., Ltd.
5 YRS -
API and H-90 connections 285 to 341 BHN hardness Drill Collar cold rolled Pressed steel thread protectorsUS$ 2,000 - 4,000MOQ: 1 PieceCondition: NewPlace of Origin: Shandong, ChinaBrand Name: SinotaiCertification: APISinotai Petroleum Equipment Co., Ltd.
5 YRS -
api threading casing couplingUS$ 1 - 99MOQ: 1 PieceMaterial: Carbon SteelTechnics: CastingType: CouplingPlace of Origin: Shandong, ChinaSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API and H-90 connections 285 to 341 BHN hardness Drill spiral Collar cold rolled Pressed steel thread protectorsUS$ 2,000 - 4,000MOQ: 1 PieceCondition: NewPlace of Origin: Shandong, ChinaBrand Name: SinotaiCertification: APISinotai Petroleum Equipment Co., Ltd.
5 YRS
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Quick-operating Thread ProtectorUS$ 1 - 1,000MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SINOTAIModel Number: KHSType: Other, Thread ProtectorSinotai Petroleum Equipment Co., Ltd.
5 YRS -
HOT!!! Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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HOT!!! Plastic Thread ProtectorUS$ 3 - 15MOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Composite Thread ProtectorsNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Oilfield Composite Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API Pup joint thread gaugesUS$ 500.00 - 500.00MOQ: 1 PiecePlace of Origin: ChinaBrand Name: SINOTAIModel Number: IF, REG,FH,NCSinotai Petroleum Equipment Co., Ltd.
5 YRS -
Casing Quick-operating Thread ProtectorUS$ 1 - 1,000MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SINOTAIModel Number: KHSType: Other, Thread ProtectorSinotai Petroleum Equipment Co., Ltd.
5 YRS
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HOT!!! Drill Pipe Thread ProtectorNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: 2-3/8Type: Other, Reverse Circulation Junk MagnetsSinotai Petroleum Equipment Co., Ltd.
5 YRS
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KHS Quick-operating Thread ProtectorUS$ 1 - 1,000MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SINOTAIModel Number: KHSType: Other, Thread ProtectorSinotai Petroleum Equipment Co., Ltd.
5 YRS
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API Casing&Drill Pipe ProtectorUS$ 20 - 100MOQ: 1 PieceThickness: 5.69, 12.19Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API 5CT Casing Premium Connection ThreadingUS$ 200 - 1,000MOQ: 1 TonThickness: 5.21, 16.13Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API Casing thread gauges (STC,LTC,BTC)US$ 500.00 - 500.00MOQ: 1 PiecePlace of Origin: ChinaBrand Name: SINOTAIModel Number: STC,LTC,BTCSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API Flanged Pressure Gauge-YK --NPT threadsUS$ 500 - 3,200MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SinotaiModel Number: YK-100, YK-150, Type DSinotai Petroleum Equipment Co., Ltd.
5 YRS -
Quick-operating Thread Protector for Drill pipeUS$ 1 - 1,000MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SINOTAIModel Number: KHSType: Other, Thread ProtectorSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Quick-operating Thread Protector for well drillingUS$ 1 - 1,000MOQ: 1 SetPlace of Origin: Shandong, ChinaBrand Name: SINOTAIModel Number: KHSType: Other, Thread ProtectorSinotai Petroleum Equipment Co., Ltd.
5 YRS
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Global Buyer Activity
PE Procurement Specialist placed an order for API and H-90 connections Drill Collar cold rolled Pressed steel thread protectors2025-09-29 14:01:46
GM Purchaser submitted an RFQ for API and H-90 connections 285 to 341 BHN hardness Drill Collar cold rolled Pressed steel thread protectors2025-09-29 04:12:33
CN Importer negotiating terms for HOT!!! Drill Pipe Thread Protector2025-09-27 14:25:58
BS Importer is sourcing KHS Quick-operating Thread Protector15 hours ago
GH Import Coordinator submitted an RFQ for Composite Thread Protectors2025-09-30 10:21:21 -
quick-operating thread protector for drill pipeNegotiableMOQ: 1 PiecePlace of Origin: Shandong, ChinaBrand Name: sinotaiType: Other, Quick-Operating Thread ProtectorMachine Type: Drilling EquipmentSinotai Petroleum Equipment Co., Ltd.
5 YRS -
Oilfield API 5CT Casing&Drill Pipe ProtectorUS$ 20 - 100MOQ: 1 PieceThickness: 5.69, 12.19Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS -
Oilfield API 6CT Casing&Drill Pipe Protector made in ChinaUS$ 20 - 100MOQ: 1 PieceThickness: 5.69, 12.19Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS -
HIGH quality API 5CT Casing Premium Connection ThreadingUS$ 200 - 1,000MOQ: 1 TonThickness: 5.21, 16.13Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS
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HIGH quality API 5CT Casing Premium Connection Threading made in ChinaUS$ 200 - 1,000MOQ: 1 TonThickness: 5.21, 16.13Section Shape: RoundSinotai Petroleum Equipment Co., Ltd.
5 YRS
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China supplier !! oilfield API 5CT Tubing thread gaugesUS$ 500 - 1,000MOQ: 1 PiecePlace of Origin: ChinaBrand Name: SINOTAIModel Number: SSinotai Petroleum Equipment Co., Ltd.
5 YRS -
API Drill collar THREAD GAUGES (IF, REG,FH,NC)US$ 500.00 - 500.00MOQ: 1 PiecePlace of Origin: ChinaBrand Name: SINOTAIModel Number: IF, REG,FH,NCSinotai Petroleum Equipment Co., Ltd.
5 YRS
