Can you customize the length of the screw barrel?

Yes, the range of workable length is 700mm~3000mm per piece, and any length needed can be customized.

What is the warranty or quality guarantee?

We use only first-class steel and check every production procedure to ensure precise dimensions. A final complete inspection is executed before dispatch.

Bimetallic PVC Twin/Double Screw Barrel, Extrusion Screw Cylinder High Quality

Name: Bimetallic PVC Twin/Double Screw Barrel, Extrusion Screw Cylinder High Quality
Brand: E.J.S. Industry Co., Ltd.
SKU: 950054685

Zhejiang, ChinaE.J.S. Industry Co., Ltd.

US$99.00-959.17

1 Piece

Sample price:US$1099.00/piece.Request sample

Product profile

Standard

DIN, ASTM, GOST, GB, JIS, ANSI, ISO

Technics

Milling-Drilling-Grinding-Polishing

Material

Tool Steel, Structural & Engineering Steel etc.

Base Material

1.8509, 1.8550, 1.8519, 4140, 5140, 45

Surface Treatment

Bimetallic, Nitriding, Through-Hardened, Chrome-Pl

Hardness for Nitriding

>Hv900

Hardness for Bimetallic

HRC50~70 Depending on Different Alloys

Thickness of Nitriding Layer

0.4~0.7mm

Thickness of Bimetallic

1.5~3.0mm Depending on Different Alloy Coating

Alloy Type

Ni60, Colmonoy 56, Colmonoy 83, Tungsten Alloy

Application

Extrusion Machines

Transport Package

Export Packaging

Specification

Screw Diameter from 30/70mm to 188/330mm

Trademark

EJS or Customized

Origin

China

HS Code

847790

Production Capacity

30000PCS/Year

Key features

Customizable Base Materials: Supports various steel grades including 4140, 1.8509, 1.8519, 45, and others upon request.

Multiple Surface Treatments: Options include bimetallic coating, nitriding, through-hardening, and hard chrome-plating.

High Hardness & Wear Resistance: Nitriding hardness >Hv900; Bimetallic hardness HRC50~70 depending on alloy type.

Wide Alloy Selection: Available in Ni60, Colmonoy 56, Colmonoy 83, and Tungsten Alloy for specific needs.

Customizable Dimensions: Workable length ranges from 700mm to 3000mm per piece; custom lengths available.

Strict Quality Inspection: First-class steel used with precise dimension checks and final inspection before dispatch.

Professional Export Service: 6 years export experience with one-stop service including pre-sales and after-sales support.

Robust Packaging: Products packed in strong plywood or wooden cases to ensure safe transportation.

Company profile

E.J.S. Industry Co., Ltd.Zhejiang, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2006-10-04Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤5.87hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, DAP, CIP, FCA, EXW

AI-Powered supplier vetting

SummaryE.J.S. Industry Co., Ltd. is a China-based limited company in Zhejiang, with trading, manufacturing/factory, and group-corporation classifications. Its primary products are screw barrels and related extrusion, injection-molding, and rubber-processing components. The supplier reports ISO 9000 and ISO 9001 management-system certifications, more than 10 production lines, 6–10 quality-control staff, and 6–10 years of total R&D-engineer experience. It exports through agents and its own import-export rights, serving multiple regions. The supplier also describes a large production area, over 400 workers, more than 300 pieces of equipment, and customized services. However, the provided information does not establish current after-sales service capability, innovation outputs, financial credibility, or documented customer cases. The SGS audit record is time-limited and shows an evaluation result of 0, but the meaning of that result is not defined in the provided data.

Supplier typeThe supplier is identified as a trading company in the company basic information, while another record classifies it as a Trading Company, Manufacturer/Factory, and Group Corporation. Its products and manufacturing-machinery trade engagement are specifically related to screw barrels and associated components. This supports classifying it as a trading and manufacturing-oriented supplier, although the records are not fully consistent regarding the principal entity type.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. An SGS audit record is also provided, with a stated report period from August 5, 2024 to August 4, 2025; however, the audit result is recorded as 0 and its interpretation is not explained. The certifications provide explicit positive evidence, but current validity beyond the stated audit period is not established.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, a factory in Zhoushan, and primary export markets across several regions. Its company description additionally states a production area of up to 40,000 square meters, more than 400 full-time workers, and over 300 domestic and imported equipment units. These stated facilities, workforce, equipment, and production-line indicators provide explicit evidence of substantial production capability.

Customization capabilityThe product range includes multiple screw-barrel configurations, including twin-screw, extrusion, injection-molding, rubber, bimetallic, and single-screw products, as well as screw elements and feed-housing barrels. The supplier also explicitly advertises customized VIP services. This directly supports an ability to provide customized product solutions, although the scope and technical limits of customization are not specified.

Product Q&A

Q:What base materials are available for the screw barrel?

Common materials include 42CrMo (4140 Steel), 38CrMoAlA (1.8509), 31CrMoV9 (1.8519), 34CrAlNi7 (1.8550), 40Cr, 45 Steel, SS304, SS416, SKD11, and SKD61. Other materials are possible upon request.

Q:What surface treatment options do you offer?

We offer quenching & tempering, nitriding, hard chrome-plating, bimetallic alloy coating, and through-hardening treatments.

Q:What is the hardness of the bimetallic coating?

The hardness for bimetallic coating is HRC50~70, depending on the different alloys used.

Q:What is the lead time for production?

The peak season lead time is 1-3 months, while the off-season lead time is one month.

Q:What payment terms do you accept?

We accept T/T, D/P, PayPal, Western Union, and small-amount payments.