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4mm ER20 Spring Collet Chuck CNC Milling Lathe Tool Bit Holder ER20-4
Specifications:
| Product Name | Spring Collet |
| Model No. | ER20-4 |
| Gripping Diameter | 4mm |
| Overall Size | 21 x 31.5mm / 0.8" x 1.24" (Max.D*H) |
| Material | Spring Steel |
| Color | Silver Tone |
| Net Weight | 40g |
| Package Content | 1 x Spring Collet |
Descriptions:
- Made of high grade specially formulated spring steel.
- Hardened and precision ground.
- Built in self-Release design and tools will never get stuck in holder.
