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System 3R Compatible ER50 Collet Chuck Holder Ø78×86.3mm
Precision 3r Compatible ER50 Collet Chuck Holder designed for CNC machining, EDM electrode holding, milling applications, and repeatable fixture setups. Built from chrome steel with 48–52 HRC hardness, this holder provides 0.002mm repeatability and includes a Ø25 collet. Its Ø78×86.3mm compact design supports accurate electrode positioning, stable collet clamping, and reliable performance for precision machining and EDM workholding applications.
SKU: RHS-E00134
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Description
This Ø78×86.3mm system 3r Compatible ER50 Collet Chuck Holder is designed for precision CNC and EDM workholding applications where accurate collet holding, repeatable positioning, and stable electrode setup are required. The ER50 collet interface provides secure holding for electrodes, round tools, and precision components used in machining, inspection, and EDM production workflows.
Made from chrome steel, the holder provides rigidity, wear resistance, and dependable performance during repeated setup cycles. With 0.002mm repeatability and an assembled electrode concentricity tolerance of 0.015mm at 50mm extension, it supports accurate positioning and consistent machining results. The compact body and included Ø25 collet make this holder a practical choice for shops that need reliable electrode clamping, precision alignment, and repeatable fixture control.
| Specification | Value |
| Size | Ø78×86.3mm |
| Material | Chrome Steel |
| Compatibility | System 3r Compatible |
| Product Type | ER50 Collet Chuck Holder |
| Collet Type | ER50 |
| Included Accessory | Ø25 Collet x1 |
| Hardness | 48–52 HRC |
| Repeatability | 0.002mm |
| Assembled Electrode Concentricity Tolerance | 0.015mm at 50mm extension |
| Net Weight | 1.53kg |
| Overall Diameter | Ø78mm |
| Overall Height | 86.3mm |
| Upper Body Height Reference | 21.5mm shown |
| Base Interface Reference | 54mm reference shown |
| Mounting Type | Collet Chuck Holder for EDM and CNC Workholding |
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Additional information
| Weight | 1.53 kg |
|---|---|
| Dimensions | 8 × 8 × 8 cm |
| Actuation Type | Manual |
| Material | |
| Holder Type | ER50 Collet |
| System Compatibility | System 3R MacroStandard |
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