Import Api 7k Spec Roller Kelly Bushings — Buy in wholesale FOB from Supplier in China
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API 7K Spec Roller Kelly Bushings
The API 7K Spec Roller Kelly Bushings from Dongying Lake Petroleum Technology Co., Ltd are designed to transmit torque from the rotary table to the kelly while reducing friction and wear. These bushings feature a lower and upper body half, rollers, and roller pins, with the lower half conical in shape to ensure automatic centering within the master bushing. The integral construction prevents dislodgment during operation, and the mud-scraper assembly clears debris to maintain smooth performance.
Roller kelly bushings of this type are standard in drilling operations, where the conversion of sliding friction to rolling friction minimizes kelly wear and extends component life. The rollers act as journal bearings, fitted to roller pins, allowing the kelly to rotate and move downward with reduced resistance. This design is typical for square or hex kelly applications, where torque transmission efficiency is critical.
These bushings are ideal for drilling contractors using square or hex kelly systems in oil, gas, or geothermal projects. Buyers should confirm compatibility with their kelly and master bushing dimensions, as well as the bushing’s load capacity. Dongying Lake Petroleum Technology Co., Ltd, based in Dongying, China, supplies these components with a focus on durability and ease of installation, but buyers must verify dimensions and material specifications before ordering.
| Standard Compliance | API 7K |
| Construction | Lower body half, upper body half, rollers, roller pins, mud-scraper assembly |
| Kelly Compatibility | Square kelly and hex kelly |
| Torque Transmission | Rolling friction via journal bearings |
| Centering Mechanism | Conical lower body half for automatic alignment |
| Material | Typical alloy steel for body and rollers |
| Load Capacity | Typical 100,000 to 300,000 lbf for API 7K bushings |
| Roller Type | Standard journal bearings fitted to roller pins |
| Safety Feature | Integral construction prevents dislodgment |
| Application | Oil, gas, and geothermal drilling with rotary tables |
Dongying Lake Petroleum Technology Co., Ltd operates from Huanghe Road in Dongying, Shandong, a region recognized for its concentration of oilfield machinery manufacturers. The company’s focus on drilling components, including kelly bushings and swivels, reflects its specialization in equipment for rotary drilling systems. Its imported supplier tier indicates experience in catering to international markets, particularly for API-compliant products.
While the supplier’s response rate is currently unrecorded, the harbor trust tier suggests a baseline level of export readiness. Buyers should request detailed product drawings, material certifications, and references from previous projects to assess the bushing’s suitability for their rigs. The company’s location in Dongying provides access to a skilled workforce and supply chain for oilfield equipment.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing API 7K Spec Roller Kelly Bushings from Dongying Lake Petroleum Technology Co., Ltd - China Import Guide
Before ordering, confirm that the Roller Kelly Bushings’ dimensions, load capacity, and material specifications match your kelly and master bushing requirements. Request API 7K certification and material test reports to verify compliance with industry standards. Consider third-party inspection for critical applications to ensure the bushings meet your rig’s operational demands.
Clarify logistics details such as lead time, which may depend on the supplier’s production schedule, and Incoterms, commonly FOB or CIF for shipments from China. Packaging should be robust, typically using wooden crates to protect the bushings during transit. Buyers should also confirm whether the supplier provides installation guidance or support for first-time users.
Quality checks should include a visual inspection for manufacturing defects, dimensional verification against API 7K tolerances, and load testing to the rated capacity. Request the supplier’s quality control procedures and any third-party inspection reports. Ensure all documentation, including commercial invoices and certificates of origin, is in order for customs clearance and compliance with import regulations.
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30 suppliersBuy Api 7k Spec Roller Kelly in Bulk — Verified Supplier in China
When sourcing Api 7k Spec Roller Kelly Bushings for your business, securing the right balance of quality and cost is essential. Dongying Lake Petroleum Technology Co., Ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $200010000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Drilling Machines & Tools sector with strong demand from importing countries worldwide.
Api 7k Spec Roller Kelly Specifications, Trade Terms & Pricing
Importing Api 7k Spec Roller Kelly requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Lake Petroleum Technology Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Dongying Lake Petroleum Technology Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Api 7k Spec Roller Kelly has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Drilling Machines & Tools category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Api 7k Spec Roller Kelly — Shipping, Logistics & Customs
Importing Api 7k Spec Roller Kelly requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Api 7k Spec Roller Kelly
What is the wholesale price of Api 7k Spec Roller Kelly Bushings?
The current listed wholesale price for Api 7k Spec Roller Kelly Bushings from Dongying Lake Petroleum Technology Co., Ltd is $200010000/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongying Lake Petroleum Technology Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Api 7k Spec Roller Kelly?
The supplier, Dongying Lake Petroleum Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Api 7k Spec Roller Kelly. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Api 7k Spec Roller Kelly Bushings?
The HS Code classification for Api 7k Spec Roller Kelly Bushings depends on the specific grade and form. Contact Dongying Lake Petroleum Technology Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Api 7k Spec Roller Kelly from China?
To import Api 7k Spec Roller Kelly from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Lake Petroleum Technology Co., Ltd. Ensure you have the necessary import licenses for Drilling Machines & Tools products in your destination country.
Is Dongying Lake Petroleum Technology Co., Ltd a verified supplier?
Yes, Dongying Lake Petroleum Technology Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Api 7k Spec Roller Kelly Bushings?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Dongying Lake Petroleum Technology Co., Ltd through EximNext.
What packaging options are available for bulk orders of Api 7k Spec Roller Kelly?
Dongying Lake Petroleum Technology Co., Ltd offers Api 7k Spec Roller Kelly with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Api 7k Spec Roller Kelly the most?
Api 7k Spec Roller Kelly is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Lake Petroleum Technology Co., Ltd through our platform.
What certifications does this Api 7k Spec Roller Kelly supplier hold?
Dongying Lake Petroleum Technology Co., Ltd maintains international quality certifications. These ensure that the Api 7k Spec Roller Kelly meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Api 7k Spec Roller Kelly Bushings on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongying Lake Petroleum Technology Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongying Lake Petroleum Technology Co., Ltd.
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