What is the nitrided layer depth and hardness?

The nitrided layer depth is 0.5-0.8mm with a hardness of 900-1000HV.

Customize Rubber Screw Barrel Rubber Screws

Name: Customize Rubber Screw Barrel Rubber Screws
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: 733430215

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

Standard

Material

Alloy

Application

Rubber Product Making Machinery

Certification

ISO

Condition

New

Customized

Automatic Grade

Semiautomatic

Structure

Horizontal

Type

General Rubber Machinery

Type of General Rubber Machinery

Rubber Extruder

Type of Tire Machinery

Rubber Regeneration Machinery

Transport Package

Wooden Case

Specification

ISO9001: 2008

Trademark

Zhongyang

Origin

Zhoushan

HS Code

84779000

Production Capacity

1500 Sets/Month

Key features

Customized Rubber Screw: Customized type available for general rubber machinery and rubber extruders.

Premium Base Materials: Uses 38CrMoAlA, 42CrMo, 4Cr5MoSiV1, 9Cr18MOV, and HPT Bimetallic alloys.

Advanced Surface Treatment: Features nitriding, high-frequency quenching, and hard-chrome electroplating.

High Hardness & Wear Resistance: Nitrided hardness 900-1000HV; Chrome-plating hardness >=950HV.

Multiple Bimetallic Options: Four alloy types (EJS01-04) with varying wear and corrosion resistance.

ISO Certified Quality: Product meets ISO certification standards for reliability and performance.

12-Month Warranty: Comprehensive 1-year warranty coverage with after-sales service support.

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.