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High quality Single screw and barrel for injection molding machinE

  • High quality Single screw and barrel for injection molding machinE
  • High quality Single screw and barrel for injection molding machinE
  • High quality Single screw and barrel for injection molding machinE
  • High quality Single screw and barrel for injection molding machinE

High quality Single screw and barrel for injection molding machinE

    Packaging: 1set per wooden boxPackage 1set/wooden box
    Brand: JM

Basic Info

Model No.: jm

Product Description

  Specification; Screw diameter:ø20-ø300 Mould Clamping force:250-3200T Shot weight:30-80000G   Screw can be matched with different heads,and barrels can be matched with different nozzles.  
MOQ 1 set
Package 1set/wood box
Payment term 30% Pre TT,rest paid when we show you copy of bill of lading
Delievery date 30days after get your first payment

Base Materials:

1)38CrMoAlA(JIS SACM 645)

2)42CrMo(AISI 4140)

3)Cr12MoV(JIS SKD-11)

4)4Cr5MoSiV1(JIS SKD-61)


6)DC53 (JIS G4404)

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Bimetallic alloy level

Alloy powder including 50% Wolfram Carbon

Alloy powder including 25% Wolfram Carbon

Alloy powder including 9.5% Wolfram Carbon

Processing Technology:

Heat treatment

High-frequency quenching

Nitriding treatment

Hard-chrome electroplating

Bimetallic alloy welding

Technical Parameter:


Hardness after hardening & tempering:HB280-320

Nitrided layer depth: 0.50-0.80mm

Nitrided hardness: 950-1100HV

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4μm

Linearity of screw: 0.015mm/m

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.025~0.10mm

Bimetallic layer depth: ≥3mm

Bimetallic hardness: HRC62-72

Terms and Conditions:

Payment : T/T, D/P, D/A, L/C, WESTERN UNION, Cash

Means of transport: Ocean, Air, Express

Packing: Wooden Case (Export standard)

Production time:About 20-30 days after we receive the advanced payment


Zhoushan Jinmao Machinery Manufacturing Factory

 Zhoushan Jinmao Machinery Manufacturing Factory is the largest manufacturer in China that specializes in research, design and manufacture of a full series of screws, barrels, assembly parts, applied for various extruding machines and plastic injection molding machines. In addition, we also design and manufacture screws with special alloys and special flight geometry to meet specific customer applications. We not only offer the best possible screws and barrels, but also provide solutions to help customers solve extruding and injection molding problems.

JINMAO's design engineers have outstanding theoretical background and practical experience, providing optimum designs of screws and barrels for our customers. Our engineers conduct thorough analysis according to customers machine model, production capacity required and resin properties before design. All related parameters that may affect screw performance are designed based on theorem, such as screw type, L/D ratio, flight depth, flight density, helix angle and so on. This outstanding design capability will ensure JINMAO's screws and barrels help customers upgrade product quality and production efficiency.

With more than ten years constant efforts, our factory occupies more than 10,000 M2 and equipped with kinds of advanced CNC processing machines. Furthermore, we have improved our yearly production ability of over 20000 sets screws and barrels. We have passed the ISO 9001:2008 International Quality System, our every production process is under strict inspection to ensure that only high-quality products are delivered to our customers.

Till now, our screws and barrels have been exported to more than 40 countries all over the world. We will make more efforts to be perfect with the development policy of "service, quality, professionality". We will continue to exert our best to provide best products and services to customers. Your satisfaction is our unremitting pursue.

Welcome to JINMAO. The Quality Company.

Company Info

  • Company Name: Zhoushan Jinmao Machinery Manufacturing Factory
  • Representative: tangshanguo
  • Product/Service: Extruder Screw Barrel , Injection Screw Barrel , Rubber Screw Barrel , Twin Screw Barrel , Bimetallic screw barrel , Extruder and production line
  • Capital (Million US $): 3,000,000RMB
  • Year Established: 2003
  • Total Annual Sales Volume (Million US $): US$50 Million - US$100 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: no
  • Factory Size (Sq.meters): Below 1,000 square meters
  • Factory Location: No.132,Xingang Road,Jintang Town,Dinghai District,Zhoushan,Zhejiang,China
  • Contact Person: Ms. Linda Tang
  • Tel: 86-580-8050975
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