Import Coupling Sleeves — Buy in Bulk from Supplier in China
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Coupling Sleeves
The coupling sleeves from Kelleg International Trade (Shanghai) Co., Ltd. are engineered specifically for rock drilling applications, serving as a critical link between drill rods or shank rods. These components endure significant mechanical stresses, including axial tension, compression, bending, torsion, and friction, making them essential for efficient stress wave propagation during drilling operations. The supplier offers full-bridge and reducing coupling sleeves, with thread sizes such as R32, R38, T38, T45, and T51.
Manufactured to withstand the extreme conditions of rock drilling, these coupling sleeves are typically produced from high-grade alloy steel to ensure superior strength and wear resistance. Thread structures vary, with options including wave thread, compound thread, and trapezoidal thread, each designed for specific drilling environments and load requirements. The geometric structure may be straight-through, reducing, or middle-stop-type, providing versatility for different drilling configurations.
These coupling sleeves are primarily used in geotechnical anchorage and mining operations, where reliability and precision are paramount. The supplier’s focus on supply chain management and quality control ensures that each component meets the rigorous demands of rock drilling applications. Buyers should confirm thread compatibility and material specifications to align with their drilling equipment.
| Type | Full-bridge and reducing coupling sleeve (supplier-confirmed) |
| Thread Size | R32, R38, T38, T45, T51 (supplier-confirmed) |
| Thread Structure | Wave thread, compound thread, trapezoidal thread (supplier-confirmed) |
| Geometric Structure | Straight-through, reducing, middle-stop-type (supplier-confirmed) |
| Material | Alloy steel (typical for rock drilling coupling sleeves) |
| Tensile Strength | Minimum 800 MPa (typical for high-grade alloy steel coupling sleeves) |
| Hardness | 45-55 HRC (standard for rock drilling components) |
| Surface Treatment | Heat-treated or coated (standard for wear resistance) |
| Application | Rock drilling, geotechnical anchorage (supplier-confirmed) |
| Industry Standards | Meets typical ISO or API standards for drilling components |
Kelleg International Trade (Shanghai) Co., Ltd. is headquartered in the China (Shanghai) Pilot Free Trade Zone, with its address at No. 29 Jiatai Road. The company specialises in the supply of geotechnical anchorage solutions, including rock drilling tools such as coupling sleeves, drill rods, and shank rods. Its operations are structured to support both domestic and international clients, with a focus on delivering quality products tailored to the demands of the drilling industry.
The supplier’s trust tier is classified as 'harbor', indicating a verified operational status. Kelleg International Trade employs a team of technical, procurement, and after-sales service professionals to provide comprehensive support, from pre-sale consultations to on-site technical guidance. The company emphasizes strict quality control and supply chain management to ensure the reliability of its products, though explicit certifications or client references are not stated in the profile.
| 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 Coupling Sleeves from Kelleg International Trade (Shanghai) Co., Ltd. - China Import Guide
Prior to ordering, verify the thread size and structure of the coupling sleeves to ensure they match your drilling equipment’s specifications. Request the supplier’s material certificates and heat treatment records to confirm the alloy steel’s tensile strength and hardness meet your operational requirements. This is particularly important for high-impact drilling applications where component failure can be costly.
Clarify the lead time for custom or non-standard thread sizes, as these may require additional manufacturing time. The supplier’s location in the Shanghai Pilot Free Trade Zone may offer logistical advantages for export, with standard Incoterms such as FOB Shanghai. Payment terms should be negotiated in advance, with options like TT or LC commonly used for international transactions.
Upon delivery, inspect the coupling sleeves for thread integrity, surface finish, and dimensional accuracy using calibrated tools. Request a third-party inspection report if your project requires additional quality assurance. Ensure all documentation, including certificates of conformity and packing lists, is complete and accurate to avoid delays in customs clearance or installation.
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30 suppliersBuy & Import Coupling Sleeves — Wholesale Supply from China
Securing a reliable supply chain for Coupling Sleeves is critical for maintaining your business operations. Kelleg International Trade (Shanghai) Co., Ltd., a verified supplier located in China, provides high-quality Coupling Sleeves ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Drilling Machines & Tools industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Coupling Sleeves from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Kelleg International Trade (Shanghai) Co., Ltd.. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Kelleg International Trade (Shanghai) Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Kelleg International Trade (Shanghai) Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Drilling Machines & Tools category or discover new suppliers across the Drilling Machines & Tools sector. Expand your sourcing capabilities through our trusted online B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Coupling Sleeves
When importing Coupling Sleeves from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Coupling Sleeves
How can I get the wholesale price for Coupling Sleeves?
Click the "Request Quotation" button to contact Kelleg International Trade (Shanghai) Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Coupling Sleeves in bulk from China?
Yes, Kelleg International Trade (Shanghai) Co., Ltd. provides Coupling Sleeves for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Kelleg International Trade (Shanghai) Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Coupling Sleeves to your country.
How do I request a sample of Coupling Sleeves?
Send a direct message to Kelleg International Trade (Shanghai) Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Kelleg International Trade (Shanghai) Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Coupling Sleeves?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Kelleg International Trade (Shanghai) Co., Ltd..
Does Kelleg International Trade (Shanghai) Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Kelleg International Trade (Shanghai) Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Drilling Machines & Tools suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Drilling Machines & Tools manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Kelleg International Trade (Shanghai) Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our import export marketplace.
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