What is the quality control process?

We have experienced QC staff who perform strict inspection and testing for every order before shipping out.

What materials are used?

The thread protectors are made of high-quality plastic, ensuring they are pressure-resistant, wear-resistant, and corrosion-resistant.

API 5CT Well Drilling Heavy Duty Plastic Thread Protector

Name: API 5CT Well Drilling Heavy Duty Plastic Thread Protector
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2015769745

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$1.00

10-99 Pieces

US$0.80

100+ Pieces

Sample price:US$15000.00/piece.Request sample

Product profile

Customization

Available

Warranty

Provide

Certification

ISO 9001:2000

Model NO.

5-1/2 inch

Operation Pressure

Atmospheric Pressure

Applicable Medium

Crude Oil

Color

Black

Material 1

Plastic

Name

Thread Protector

Use for

Oil Casing Pipe

Transport Package

Wooden /Iron Pallet

Specification

customizable

Trademark

lake

Origin

Shandong Dongying

HS Code

7204210000

Production Capacity

5000pieces/Year

Key features

Premium Customization: We can produce premium thread protectors and customize based on specific requirements.

High Durability: Made from high-quality plastic, resistant to pressure, wear, corrosion, tears, and deformation.

Effective Protection: Prevents debris entry and stops protectors from stripping or vibrating loose during transport.

Wide Compatibility: Available for various sizes including NC23 to NC70 and API thread types like NUE, EUE, BC, LC.

Quality Certified: Production strictly follows ISO 9001:2008 and API standards with third-party inspection welcome.

Extreme Resistance: Withstands extreme temperatures, alkali, and maintains excellent elasticity in harsh environments.

Professional Supplier: Lake Petro is a VIP supplier with strategic partnerships and exports to global markets.

Flexible Ordering: Supports sample orders via courier/air and bulk orders via air/sea with flexible payment terms.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.32h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.

Product Q&A

Q:How to place an order?

Send an inquiry with detailed item description or model number. We will provide a quotation and order form. If no packing demand is specified, we use standard exported packing.

Q:Is customization available?

Yes, we can produce premium thread protectors and customize them according to your specific requirements and designs.

Q:What quality standards are followed?

Production strictly follows ISO 9001:2008 and API standards. We welcome third-party inspections such as BV, SGS, and TUV.

Q:What are the payment methods?

We accept T/T (Telegraphic Transfer) or L/C at sight.

Q:How are samples and bulk orders shipped?

Sample orders are suggested via courier (DHL/UPS/TNT/FEDEX) or by air. Bulk orders are suggested by air or by sea.