Can you provide OEM or ODM services?

Yes, we offer both OEM and ODM services with professional designing and researching teams.

What are the payment terms?

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

What is the bimetallic layer specification?

The bimetallic layer depth is 3mm with a hardness of HRC 55-70.

Screw Barrel for Rubber Extruder Machine

Name: Screw Barrel for Rubber Extruder Machine
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 734121395

Zhejiang, ChinaZhejiang Zhongyang Screw Manufacturing Co., Ltd.

US$1,000.00-50,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Yes

Warranty

12 Months

Model NO.

ZYSCREW

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

Application

Extruder

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 Diameter: Available in various sizes from 30mm to 300mm for cold/hot feeding and pin types.

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

Premium Bimetallic Layer: Features 3mm bimetallic layer depth with hardness of HRC 55-70 for durability.

Multiple Material Options: Base materials include 38CrMoAlA, 42CrMo, and various bimetallic alloys.

12 Months Warranty: Comprehensive 12-month warranty coverage for all screw barrel products.

Professional OEM/ODM: Supports customized designs and manufacturing with professional engineering teams.

High Surface Precision: Surface roughness Ra 0.4 and screw linearity within 0.015mm for precision.

Fast Production Cycle: Standard production time is 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 the screw barrel?

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

Q:What are the available screw diameter ranges?

Screw diameters range from 30mm to 300mm, including options for cold feeding, hot feeding, and pin rubber screws.

Q:What materials are used for the screw 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 nitriding hardness and layer depth?

The nitrided hardness is 900-1000HV (HRC 55-65) with a layer depth of 0.5-0.8mm.

Q:What is the production lead time?

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