Import Spiral Drill Collars — Buy in Bulk from Supplier in China
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Spiral Drill Collars
The spiral drill collars are made of 4145HMOD modified chromium-molybdenum alloy steel according to API Spec 7-1 . All threads can be phosphated,copperised or cold worked. All threads are machined with CNC Lathes-Double-Shouldered and a special thread, the max diameter of spiral drill collar is 14 inch. Out diamete: 3 7/8"~ 14"(inch) Depth of cut: 4.0 ~ 11.9 (mm) Length: 9150+150(mm) Standard size�?� for�?� drill collar Connection # OD ID L mm DF mm Bending strength ratio mm in mm In NC23-31 79.4 3 1/8 31.8 1 1/4 9150 76.2 2.57:1 NC26-35 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42:1 NC31-41 104.8 4 1/8 50.8 2 9150 or 9450 100.4 2.43:1 NC35-47 120.7 4 3/4 50.8 2 9150 or 9450 114.7 2.58:1 NC38-50 127.0 5 57.2 2 1/4 9150 or 9450 121.0 2.38:1 NC44-60 152.4 6 57.2 2 1/4 9150 or 9450 144.5 2.49:1 NC44-60 152.4 6 71.4 2 13/16 9150 or 9450 144.5 2.84:1 NC44-62 158.8 6 1/4 57.2 2 1/4 9150 or 9450 149.2 2.91:1 NC46-62 158.8 6 1/4 71.4 2 13/16 9150 or 9450 150.0 2.63:1 NC46-65 165.1 6 1/2 57.2 2 1/4 9150 or 9450 154.8 2.76:1 NC46-65 165.1 6 1/2 71.4 2 13/16 9150 or 9450 154.8 3.05:1 NC46-47 171.4 6 3/4 57.2 2 1/4 9150 or 9450 159.5 3.18:1 NC50-67 171.4 6 3/4 71.4 2 13/16 9150 or 9450 159.5 2.37:1 NC50-70 177.8 7 57.2 2 1/4 9150 or 9450 164.7 2.54:1 NC50-70 177.8 7 71.4 2 13/16 9150 or 9450 164.7 2.73:1 NC50-72 184.2 7 1/4 71.4 2 13/16 9150 or 9450 169.5 3.12:1 NC56-77 196.8 7 3/4 71.4 2 13/16 9150 or 9450 185.3 2.70:1 NC56-80 203.2 8 71.4 2 13/16 9150 or 9450 190.1 3.02:1 6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150 or 9450 195.7 2.93:1 NC61-90 228.6 9 71.4 2 13/16 9150 or 9450 212.7 3.17:1 7 5/8 REG 241.3 9 1/2 76.2 3 9150 or 9450 223.8 2.81:1 NC70-97 247.6 9 3/4 76.2 3 9150 or 9450 232.6 2.57:1 NC70-100 254.0 10 76.2 3 9150 or 9450 237.3 2.81:1 8 5/8REG 279.4 11 76.2 3 9150 or 9450 266.7 2.84:1 8 5/8REG 355.6 14 76.2 3 9150 or 9450 266.7 2.84:1
| 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 Spiral Drill Collars from China
Spiral Drill Collars is offered by Metalwork Petroleum Technology Co, Ltd., a Supplier based in China, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing Spiral Drill Collars, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
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30 suppliersBuy & Import Spiral Drill Collars — Wholesale Supply from China
Securing a reliable supply chain for Spiral Drill Collars is critical for maintaining your business operations. Metalwork Petroleum Technology Co, Ltd., a verified supplier located in China, provides high-quality Spiral Drill Collars 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 Spiral Drill Collars from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Metalwork Petroleum Technology Co, Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Metalwork Petroleum Technology Co, Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Metalwork Petroleum Technology 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 import export marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Spiral Drill Collars
When importing Spiral Drill Collars 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 Spiral Drill Collars
How can I get the wholesale price for Spiral Drill Collars?
Click the "Request Quotation" button to contact Metalwork Petroleum Technology Co, Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Spiral Drill Collars in bulk from China?
Yes, Metalwork Petroleum Technology Co, Ltd. provides Spiral Drill Collars 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 Metalwork Petroleum Technology Co, Ltd.. Contact the supplier to discuss the best logistics options for importing Spiral Drill Collars to your country.
How do I request a sample of Spiral Drill Collars?
Send a direct message to Metalwork Petroleum Technology 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?
Metalwork Petroleum Technology 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 Spiral Drill Collars?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Metalwork Petroleum Technology Co, Ltd..
Does Metalwork Petroleum Technology Co, Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Metalwork Petroleum Technology 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 Metalwork Petroleum Technology 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 global B2B marketplace.
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