Reliable Replacement for Leading Extruder Brands
ZHITIAN offers a full range of OEM replacement screw elements engineered to match or exceed the performance of original equipment.
Each part is 100% interchangeable with major global extruder brands including Coperion, Leistritz, Theysohn, JSW, Feddem, Berstorff, and others.
Designed for co-rotating twin screw extruders, our screw elements provide precise fit, reliable torque transmission, and consistent compound quality — making them the perfect choice for both replacement and performance upgrade.
High-Precision Engineering for OEM Compatibility
Our production process ensures tight dimensional tolerance, perfect spline engagement, and balanced geometry.
Every replacement screw element undergoes multi-stage inspection to guarantee seamless installation and reliable operation.
| Feature | Description |
|---|
| Compatibility | Fully interchangeable with leading OEM designs |
| Machining Accuracy | ±0.02 mm tolerance |
| Surface Hardness | 58–66 HRC depending on material |
| Material Options | Nitrided steel, tool steel, PM-HIP alloy, stainless steel |
| Torque Transfer Design | Optimized for co-rotating systems |
| Quality Standard | ISO9001 + internal SOP & SIP inspection |
| Country of Origin | China (ZHITIAN Manufacturing Center) |
Material Options for OEM Replacement Screw Elements
| Material Grade | Type | Main Characteristics | Applications |
|---|
| 38CrMoAla | Nitrided Steel | Excellent strength and cost efficiency | Standard plastic compounding |
| W6Mo5Cr4V2 | High-Speed Steel | Superior wear resistance at elevated temperatures | Glass fiber reinforced polymers |
| Cr12MoV / SKD11 | Tool Steel | High hardness, good deformation resistance | Masterbatch and filled systems |
| SAM26 / SAM39 | PM-HIP Alloy | Advanced wear + corrosion resistance | Engineering plastics, flame retardant compounds |
| CPM9V / CPM10V | PM-HIP Alloy | Ultra-hard alloy (HRC 65–66) for extreme wear | Abrasive fillers and reactive resins |
| 440C / Hastelloy-C | Stainless Alloy | Excellent corrosion resistance | Chemical and food extrusion environments |
Production Advantages
- 100% OEM Interchangeability: Dimensions, splines, and flight geometries match original standards.
- Extended Service Life: Advanced alloy options extend lifetime up to 2–4 times longer than conventional OEM parts.
- Material Upgrade Options: Select improved PM-HIP or coated materials for longer durability.
- Rapid Replacement Cycles: Optimized production and inventory for faster global delivery.
- Performance Guarantee: Each element is precision-tested before shipment to ensure consistency and reliability.
Typical Replacement Scope
Our OEM replacement screw elements are compatible with the following twin screw extruder models:
- Coperion: ZSK Series
- Berstorff: ZE Series
- Leistritz: ZSE Series
- Theysohn: TSK Series
- JSW: TEX Series
- Feddem: FED-MTS Series
- USEON, SHIZHOU, LANTAI, Keya, and more
Technical Data Overview
| Parameter | Specification |
|---|
| Screw Diameter Range | Ø20 mm – Ø150 mm |
| Material Hardness | 58–66 HRC |
| Machining Accuracy | ±0.02 mm |
| Heat Treatment | Vacuum or Nitriding |
| Surface Finish | Ra ≤ 0.8 µm |
| Torque Capacity | Up to 18 Nm/cm³ (gearbox compatible) |
| Application Range | Plastic, Chemical, Food, and New Energy |
| Standard | ISO9001 + ZHITIAN internal QC system |
Customized Engineering Support
For customers seeking enhanced performance beyond OEM specifications, ZHITIAN provides:
- Custom geometry optimization for improved mixing efficiency
- Material upgrades using PM-HIP alloys or advanced coatings
- Surface finishing options to reduce friction and contamination
- Reverse engineering for discontinued or rare OEM parts
FAQ – OEM Replacement Screw Elements
Q1: Are ZHITIAN screw elements interchangeable with my existing OEM parts?
A1: Yes. All screw elements are manufactured to match OEM specifications for spline profile, geometry, and length.
Q2: Can ZHITIAN provide upgraded materials for better performance?
A2: Absolutely. We offer PM-HIP, high-speed steel, and corrosion-resistant alloys for enhanced wear life and process stability.
Q3: What’s the lead time for OEM replacement parts?
A3: Standard items ship within 2–4 weeks; customized designs may require 4–6 weeks depending on quantity and material.
Q4: Do you provide reverse engineering for old or unknown extruder models?
A4: Yes. We can replicate OEM parts using 3D scanning, measurement, and CAD modeling from worn samples.
Q5: How does ZHITIAN ensure OEM-level quality?
A5: Every part is manufactured under ISO9001 with full-process control — from raw material certification to dimensional and hardness inspection.
Why Choose ZHITIAN as Your OEM Replacement Partner
With over 20 years of experience in twin screw extruder component manufacturing, ZHITIAN combines material innovation, CNC precision, and digital production management to deliver OEM-equivalent or better parts worldwide.
Our components are trusted by European, American, and Asian customers for their durability, precision, and value.
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