How can I reach you for other questions?

Please feel free to contact us through E-mail, call, or visiting our factory.

What is the surface hardness of the screw?

The surface hardness is 62-65 HRC after quenching and annealing.

What materials are used for the screw and barrel?

The base material is D2 high-quality alloy structural steel, and screws use special steel materials like JYG1-JYG6.

Armoured Flights Through-Hardened Nitrided Plastic Extruder Screw and Barrels

Name: Armoured Flights Through-Hardened Nitrided Plastic Extruder Screw and Barrels
Brand: Ningbo Jinyi Precision Machinery Co., Ltd.
SKU: 1980382235

Zhejiang, ChinaNingbo Jinyi Precision Machinery Co., Ltd.

US$190.00-3,800.00

1 Piece

Sample price:US$220.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

12 Months

Standard

DIN, GOST, GB, ANSI, BS

Technics

Machining

Feature

Durable

Material

Alloy Steel

Max Dia

500mm

Max Length

8000mm

Hardness

45-62HRC

Straightness

0.02mm/M

Surface Roughness

Ra0.8

Application

Recycling Engineering Plastics,<20% GF

Package

Wooden Case

Waranty

12 Months

Transport Package

Wooden

Specification

d16~d500mm

Trademark

Origin

China

HS Code

84779000

Production Capacity

2000set/Month

Key features

Wide Application Scope: Suitable for common plastics and engineering plastics with up to 70% reinforced additives like glass fiber.

Premium Material Quality: Made from D2 high-quality alloy structural steel and special steel materials (JYG1-JYG6) for superior performance.

Customization Options: Max diameter 500mm and max length 8000mm available; supports customized sizes, materials, and structures.

Professional QC Service: Specific QC reports are provided before delivery to ensure product quality and compliance.

Brand Logo Support: Supports laser engraving of your own logo or code number on the product for branding purposes.

Flexible Warranty Terms: Warranty periods of 1, 2, or 5 years are available based on different customer requirements.

Manufacturer Direct Supply: Direct supply from a manufacturer with 20+ years experience, 346 employees, and 24,000 sqm plant area.

Company profile

Ningbo Jinyi Precision Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-07-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryNingbo Jinyi Precision Machinery Co., Ltd. is a China-based limited company established in 2003, with 346 employees and a 24,000 m² manufacturing plant. It operates more than 10 production lines and reports annual output of 24,000 screw and barrel sets, with one-month lead times in both off-peak and peak seasons. Its product range includes screws, barrels, twin screw barrels, tie bars, accessories, and related machinery components. The supplier holds an ISO9001:2015 certificate and states that it has implemented ISO9001 and SGS certification. Evidence indicates technical experience, customization support through samples and OEM drawings, export capability, and products designed for high-wear applications. However, the slices do not provide sufficient evidence to assess financial credibility, detailed after-sales service processes, or identifiable customer cases.

Supplier typeThe supplier is identified as Ningbo Jinyi Precision Machinery Co., Ltd., a China-based limited company operating in manufacturing and industrial equipment components. One record describes the company nature as a trading company, while other records identify manufacturing operations, including a 24,000 m² plant and more than 10 production lines.

CertificationsThe supplier explicitly reports an ISO9001:2015 certificate and states that it was among the first in its field to implement ISO9001 and SGS certification. This provides direct evidence of formal quality-system certification, although the slices do not specify the scope or validity period of the SGS certification.

After-Sales capabilityThe supplier offers a two-year warranty for products running plastics containing up to 60% glass fiber and states that it supports customer needs with recommended solutions. These statements indicate some warranty and technical-support capability, but no detailed service network, response process, spare-parts policy, or complaint-handling data is provided.

R&D capabilityJINYI developed JYK bimetallic barrels and JYG ultra-wear-resistant screws, and its technical team is described as having more than 20 years of professional experience. The records also state that the company can recommend solutions for special customer needs, supporting a positive assessment of product and technical development capability.

Production capacityThe supplier reports more than 10 production lines, a 24,000 m² manufacturing plant, 346 employees, and annual screw-and-barrel productivity of 24,000 sets. It also reports one-month fulfillment times in both peak and off-peak seasons, providing explicit evidence of established production capacity and stated delivery capability.

Customization capabilityThe supplier states that it can provide products based on samples and OEM drawings and recommend solutions according to special customer requirements. Its product range covers multiple screw, barrel, tie-bar, gearbox, and accessory categories, which supports customization potential, although the slices do not quantify engineering or tooling capacity for custom projects.