Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Base Material:


Bimetallic Screw Process:

Spray Welding

Bimetallic Barrel Process:

Centrifuge Casting


Fe-based,Ni-based,Tungsten Carbide

End products:

Pipe,WPC, proflie, film etc.


Proflie,PVC/PE/PP Granules/profiles/Foaming

Diameter for single screw:


Screw design:

Single screw,twin screw

Apply for machine:




Packaging & Delivery

Selling Units:
Single item
Single package size:
195X25X25 cm
Single gross weight:
200.000 kg
Package Type:
wooden box
Lead Time
Quantity(Sets) 1 – 1 >1
Est. Time(days) 30 To be negotiated

Online Customization

Product Description

Qunying is oneof thebestmachinerysupplier inChina.We cooperate with many machine factories.Waiting for your cooperate withus,you best choice!

Single screw barrel set and gearbox set for plastic extrusion parts in zhoushan




Or other according to requirement, we are rich experience in producing and designing!


single screw and barrel forextruder

Material 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140)
Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)
Nitrided Hardness HV900°~1000°
Hardness after hardening and tempering HB260 °
Nitrided Depth 0.5~0.7mm
Nitrided Brittleness above 2 stage
Surface Roughness Ra0.4
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium plating Depth 0.05~0.10mm
Alloy Depth 0.8~3.0mm
Alloy hardness HRC56°~65°
Alloy(bimetallic) iron,nickel,tungsten,molybdenum
Types of screw barrel Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

Scope of application

WPC sheet,pallets,pinch,pipe,profiles,soft pvc,pvc foam sheet,film,tape,recycled,tape tube,water pipe,drainage pipe,etc.

For good plasticizing effect,we have different designs ofscrew andbarrel for extruder or injection to meet customer’s demand.Our factory manufactures with high-quality material, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness.

Packaging & Shipping

Our Services

Our advantages:

1. Screw and barrel for various models

2. Professional engineers design for you

3. Over10-yearexprienceinthisline

4. Insist on developing screw and barrel for more injection and extruder machine models

5. Main market: SoutheastAsia,Eastern Europe, Africa

Company Information


Our QualityInspection

Taking only first-class steel and check every production procedure to ensure every dimension is produced precisely. A final completeinspection will be executed before dispatch.

Our customer feedback after using.

About US:

QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and salesfor these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrelaccording to your different requirements.