Is OEM or ODM service available?

Yes, both OEM and ODM services are available.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the L/D ratio range for the screw?

The L/D ratio ranges from 4 to 18.

Single Screw Barrel for Rubber Machinery Screw Cylinder

Name: Single Screw Barrel for Rubber Machinery Screw Cylinder
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 734121955

Zhejiang, ChinaZhejiang Zhongyang Screw Manufacturing Co., Ltd.

US$1,000.00-50,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Warranty

12 Months

Model NO.

ZYSCREW

Standard

Material

Alloy Steel

Application

Rubber Raw Material Machinery, Extruder

Certification

ISO

Condition

New

Customized

Automatic Grade

Automatic

Structure

Horizontal

Type

General Rubber Machinery

Type of General Rubber Machinery

Material Processing Machine

Type of Tire Machinery

Rubber Regeneration Machinery

Base Material

38crmoala

Nitrided Hardness

900-1000hv (HRC 55-65

Nitrided Brittleness

Less Than Grade 1

Nitrided Layer Depth

0.5-0.8mm

Surface Roughness

Ra 0.4

Bimetallic Layer Depth

3 mm

Transport Package

Wooden Cases

Specification

SGS, ISO9001-2008

Trademark

ZHONGYANG SCREW

Origin

China Mainland

HS Code

8477900000

Production Capacity

3000 Sets/ Year

Key features

Customized Screw Barrel: Fully customizable screw diameter from 30mm to 300mm and L/D ratio 4-18.

Premium Alloy Materials: Uses 38CrMoAlA, 42CrMo, and bimetallic alloys like Ni-based and Tungsten carbide.

High Nitrided Hardness: Nitrided hardness reaches 900-1000HV (HRC 55-65) with depth 0.5-0.8mm.

Bimetallic Technology: Features 3mm bimetallic layer depth with hardness HRC 55-70 via centrifugal casting.

12 Months Warranty: Comprehensive 12-month warranty coverage for all mechanical defects.

ISO Certified Quality: Manufactured under ISO certification standards for reliable performance.

Professional OEM/ODM: Supports OEM and ODM services with dedicated R&D and design teams.

Fast Production Time: Production completed within 20-30 days after receiving advanced payment.

Company profile

Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryZhejiang Zhongyang Screw Manufacturing Co., Ltd. is presented as a China-based manufacturer and distributor of screws, barrels, and related assembly parts for plastic and rubber machinery. The supplier reports 12 years of industrial experience, a factory equipped with advanced CNC machines, more than 10 production lines, 50 quality-control staff, and exports to South America, Southeast Asia/Mideast, and Europe. It describes an ISO-certified quality system established in 2006 and offers design, technical support, customer service, and overseas engineering assistance. However, the records contain material inconsistencies regarding factory size, workforce, business type, and R&D staffing. No verifiable customer cases or detailed financial-strength evidence is provided.

Supplier typeThe supplier is legally identified as Zhejiang Zhongyang Screw Manufacturing Co., Ltd., a China-based limited company. Its stated business is designing, manufacturing, rebuilding, and distributing screws, barrels, and assembly parts, although one record labels the company nature as a trading company, creating a classification inconsistency.

CertificationsThe supplier explicitly states that it has been an ISO-certified enterprise since 2006 and that it operates a complete quality-control system covering production through final products. The specific ISO standard and certificate details are not provided.

After-Sales capabilityThe supplier describes a dedicated after-sales team, customer archiving and follow-up through product receipt and trial, efficient problem resolution, and the ability to send engineers to customer locations in China or abroad when necessary. These statements support an established service capability, though no service performance metrics are supplied.

R&D capabilityThe supplier reports professional design teams and experienced, creative engineers who address technical problems and design new screws and barrels for performance improvement. However, the records provide no quantified R&D resources, patents, new-product results, or development timeline.

Production capacityThe supplier reports a 10,000 m² factory with advanced CNC equipment, more than 10 production lines, 50 quality-control staff, and a one-month off-peak lead time. Other records state a 5,000 m² plant and alternatively more than 50,000 m² with over 200 workers, so capacity is indicated but the scale data is inconsistent.

Customization capabilityThe supplier states that it maintains sales, design, production, inspection, and service teams, supports specific customer needs, and designs new screw and barrel configurations to achieve targeted performance. This directly supports customization capability, although no examples, engineering specifications, or limits are given.

Product Q&A

Q:What is the warranty period for this screw barrel?

We provide a 12-month warranty for our screw barrels.

Q:Can the screw diameter be customized?

Yes, the screw diameter is customizable. Cold feeding ranges from 40mm to 300mm, hot feeding from 30mm to 250mm, and pin rubber screws from 50mm to 250mm.

Q:What materials are used for the screw and barrel?

Base materials include 38CrMoAlA, 42CrMo, 4Cr5MoSiV1, DC53, Cr12MOV, and 9Cr18MOV. Bimetallic alloys include Ni-based, Fe-based, Co-based, NiCo-based, and Tungsten carbide.

Q:What is the nitrided hardness and layer depth?

The nitrided hardness is 900-1000HV (HRC 55-65), and the nitrided layer depth is 0.5-0.8mm.

Q:What is the production lead time?

Production time is about 20-30 days after we receive the advanced payment.