Hot sales parallel twin screw for extruder processing line

Price: 150.0 USD
Trade Term: FOB,CFR
Payment Terms: T/T,L/C,D/A
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Basic Info.
  • Technics: Casting 
  • Material: Stainless Steel 
  • Brand Name: COWELL 
  • Model number: Dia 60-150mm 
  • Steel material: 38CrMoALA, SACM645, SKD61 
  • Heat treatment: Thermo refining, Quenching 
  • Surface treatment: Bimetllic spraying,grooves spraying etc 
  • Manufacturing standard: GB/T 15389-1994,DIN5480 etc 
  • Rotating direction type: Co-rotating or counter-rotating 
  • Package type: Plywood case 
  • Model No.: Dia 60-150mm 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 800 SET/Month
  • Packing:Plywood case
  • Delivery Date: 25-30 working day

Hot sales parallel twin screw for extruder processing line


FOR SCREW         Dia. 15-300 mm Length 300-6000 mm    L/D ratio: 15-50

FOR BARREL        Dia. 60-600 mm Length 300-6000 mm


Depth of Nitrated Layer: 0.5-0.8mm
Depth of bimetallic layer: 2-4 mm
Heat treatment:Nitriding 96 hours (4 days)
Surface hardness: HRC58-62  (alloy layer)
Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um

Hot sales parallel twin screw for extruder processing line


COWELL ZERRO: ( HRC 56-58 8-12 months )

38CrMoAlA + thermo refining+nitriding 96 hours+ Fine polishing

COWELL JUPITER: ( HRC 58-62 12-18 months )

42CrMo/38CrMoALA + thermo refining+Hvof spraying+ Nitriding 96 hours+Fine polishing

COWELL ULTRON: ( HRC 62-64 24 months )

SKD61+Queching+ Harden inside process+Nitriding 96 hours+Fine polishing


For Large size and economic:   ocean shipping

For small size and effective:  air transportation or by express

Our services:

1. Measure dimension of screw and barrel

2. Complete manufacturing drawing

3. Making optimal solution based customers required

4. Calculated the cost of goods

5. Taking photos of finished products

6. Booking ship and make shipping schedule.

7. Send custom clearance documents.

8. Arrange factory visiting schedule

9. Assistant with customers to deal other matters


NINGBO COWELL INDUSTRY CO.,LTD (NINGBO ENBECO PRECISION MACHINERY CO.,LTD)was established in 2006.It has professional technician team, engaged in manufacturing and researching of screw barrel. Recent years, Cowell industry places great emphasis in upgrading not only the manufacturing and quality of screw barrel but also after sales service.

We warmly welcome customers oversea to build long term cooperation relationship with us.Hope we become more successful together .

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Ms. Ethel Tong
Tel: 86-574-87340513
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Ningbo Enbeco Precision Machinery Co.,Ltd
908, North Liyuan Road 668,Haishu,, Ningbo, Zhejiang, China (Mainland)
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