Pelletizer Blades for Extrusion, Compounding and Recycling
These custom pelletizer knives are manufactured for plastic pelletizing, extrusion, compounding and recycling lines. Blade dimensions, mounting features, material, hardness, heat treatment and working edge are matched to the confirmed machine interface and processed polymer.
Product Specifications
These specifications summarize the product configuration. Final dimensions, material, hardness, edge geometry, and other requirements are confirmed according to the approved drawing and cutting application.
| Item | Specification |
|---|---|
| Product Type | Pelletizer knife / plastic pelletizing blade |
| Material Options | High-speed steel, tool steel, stainless steel, tungsten carbide, and application-specific grades |
| Hardness | Selected according to blade material and operating conditions |
| Surface Finish | Precision-ground |
| Edge Type | Single edge or double edge, according to the approved drawing and application |
| Optional Coatings | TiN, TiCN, DLC, or other suitable application-specific coatings |
| Customization | Blade geometry, holes, material, hardness, surface finish, and coating |
| OEM / ODM | Supported |
| Application | Plastic pelletizing, granulating, extrusion, compounding, and recycling equipment |
| MOQ | Flexible; confirmed by product type, material, and order quantity |
Standard Sizes & Dimensions
The following representative pelletizer knife sizes are available. All dimensions are shown as length × width × thickness in millimetres.
| Length (mm) | Width (mm) | Thickness (mm) | Specification |
|---|---|---|---|
| 102 | 52 | 1 | 102 × 52 × 1 |
| 44 | 22 | 1 | 44 × 22 × 1 |
| 46.5 | 24 | 1 | 46.5 × 24 × 1 |
| 46 | 13.2 | 1 | 46 × 13.2 × 1 |
| 46 | 24 | 1 | 46 × 24 × 1 |
| 57 | 38 | 0.5 | 57 × 38 × 0.5 |
| 50 | 19.2 | 0.5 | 50 × 19.2 × 0.5 |
| 50 | 20 | 0.8 | 50 × 20 × 0.8 |
| 50 | 25 | 0.5 | 50 × 25 × 0.5 |
| 83 | 35 | 1 | 83 × 35 × 1 |
Customization & Service
| Model | Custom pelletizer knife |
|---|---|
| Service | Drawing- and sample-based custom manufacturing |
How Buyers Describe and Specify This Blade
Industrial teams often use several names for the same blade family. We use those terms to identify the likely application, then confirm the final design from the drawing, sample and machine conditions.
Size and geometry. The terms “plastic pelletizing machine knife”, “pelletizer blade for extrusion lines” and “strand pelletizer knife” usually describe geometry or configuration. Requests using “underwater pelletizer knife” or “water-ring pelletizer blade” should confirm critical dimensions and edge orientation.
Application and equipment. Buyers may search for “die-face pelletizer knife”, “plastic extrusion cutter knife” or “masterbatch pelletizer blade” when identifying an application. For requests described as “plastic granulating knife” or “recycling pelletizer replacement knife”, include the processed material, machine interface and required cut quality.
Custom and replacement supply. Sourcing language can include “high-speed steel pelletizer knife”, “D2 pelletizing blade” or “carbide pelletizer blade”. Requests using “custom knife for plastic compounding equipment” or “OEM pelletizer blade from drawing” should include an approved drawing or sample details before production.
The approved drawing and application conditions always control the manufactured blade specification.
How to Specify a Plastic Pelletizing Machine Knife
- Provide the pelletizer manufacturer, machine model or approved blade drawing.
- Confirm blade dimensions, holes, slots, locating features and working edge.
- Describe the polymer, filler content, operating condition and target pellet quality.
- Identify whether wear resistance, impact toughness or edge retention is the main concern.
Compare related pelletizer knives, or review the custom industrial knife manufacturing process before sending your drawing, sample details and required quantity.
For hot-cut applications, read about our non-stick coated pelletizer blades, coating benefits and custom options.