Import Extruder Screw — Buy in Bulk from Supplier in China
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Extruder screw
This extruder screw is manufactured for use in plastic extrusion systems, with a nitrided hardness of HV950 to HV1000 and a case depth of 0.55 to 0.7 mm, as confirmed by the supplier's technical data. The core hardness after heat treatment measures HB240 to HB280, ensuring structural integrity under prolonged operational stress. The screw is precision-machined to fit standard extruder barrels, with tolerances designed for minimal backlash and consistent material throughput.
The screw is typically constructed from alloy steel grades such as 38CrMoAlA or similar, though the supplier does not specify the base material. Nitriding is a standard industrial process to enhance surface wear resistance in extrusion components, and the stated hardness range aligns with typical values for medium-duty plastic processing applications. Surface finish and helix geometry are optimized for shear control, making it suitable for processing polyolefins, PVC, and recycled thermoplastics.
End users include plastic pelletizers, recycling plants, and film extrusion facilities that require reliable screw replacement parts. The screw is shipped in protective packaging to prevent surface damage during transit. Trade terms include FOB and CIF options, though exact MOQ and lead time are not stated and must be confirmed directly with the supplier. Buyers should verify compatibility with their extruder model before ordering.
| Nitrided hardness | HV950 to HV1000 |
| Nitrided case depth | 0.55 mm to 0.7 mm |
| Core hardness (after tempering) | HB240 to HB280 |
| Typical material grade | 38CrMoAlA or equivalent alloy steel (standard for extruder screws) |
| Typical surface finish | Ra ≤ 0.4 μm (standard for precision extrusion screws) |
| Typical helix angle | 15° to 22° (standard range for single-screw plastic extruders) |
| Typical length-to-diameter ratio | 20:1 to 25:1 (standard for general-purpose extrusion screws) |
| Typical tolerance on diameter | ±0.02 mm (industry standard for critical extrusion components) |
| Typical coating | Nitrided surface only (no PVD or CrN coating specified) |
| Packaging | Protected with anti-corrosion film and wooden crate (typical for heavy machinery parts) |
Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. is a manufacturer based in Jintang District, Zhoushan, Zhejiang Province, China. The company specializes in extruder screws and related components for rubber and plastic processing machinery. The listing indicates the supplier is imported and has harbor trust tier status, suggesting verified export experience, though no company history, employee count, or client list is provided.
The supplier does not claim certifications, production capacity, or years in operation. Response rate and average response time are not available, indicating limited buyer communication history on the platform. Buyers should treat this as a direct manufacturer with no third-party intermediaries, but must verify technical compatibility and quality controls through direct inquiry.
| 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 Extruder screw from Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. - China Import Guide
Before placing an order, verify the screw's compatibility with your extruder barrel's internal diameter and drive shaft coupling. Request a dimensional drawing with tolerances for the flight pitch, core diameter, and helix angle. Confirm the material composition with a material test report, especially if used for food, medical, or recycled plastic applications where regulatory compliance is required.
Lead time and shipping terms are not stated in the listing. Buyers must confirm whether the supplier uses FOB Ningbo, CIF port of destination, or other Incoterms. Payment terms such as T/T or L/C should be negotiated directly. Packaging must include rust inhibitors and rigid crating to prevent damage during ocean freight, especially for long transit times.
Inspection should include surface hardness testing, case depth measurement via microhardness profiling, and visual inspection for cracks or machining marks. Request a certificate of conformance for each batch. Retain a sample for future reference, as replacement screws may vary in performance if sourced from different production lots.
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30 suppliersBuy & Import Extruder Screw — Wholesale Supply from China
Securing a reliable supply chain for Extruder Screw is critical for maintaining your business operations. Zhejiang Dongbin Rubber Machinery Screw Co., Ltd., a verified supplier located in China, provides high-quality Extruder Screw 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 Products 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 Extruder Screw from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Zhejiang Dongbin Rubber Machinery Screw 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 Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products 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 Extruder Screw
When importing Extruder Screw 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 Extruder Screw
How can I get the wholesale price for Extruder Screw?
Click the "Request Quotation" button to contact Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Extruder Screw in bulk from China?
Yes, Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. provides Extruder Screw 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 Zhejiang Dongbin Rubber Machinery Screw Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Extruder Screw to your country.
How do I request a sample of Extruder Screw?
Send a direct message to Zhejiang Dongbin Rubber Machinery Screw 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?
Zhejiang Dongbin Rubber Machinery Screw 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 Extruder Screw?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Zhejiang Dongbin Rubber Machinery Screw Co., Ltd..
Does Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Zhejiang Dongbin Rubber Machinery Screw 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 Products suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Zhejiang Dongbin Rubber Machinery Screw 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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