53630 Royal ER-40 Ultra-Precision Standard ER Collet 18mm

Maximize rigidity with the Royal 53630 (ER-40). Precision-ground to 0.0002" TIR for modern metric CNC machining centers.

• Part Number: 53630
• Collapse Range: 18mm - 17mm
• Accuracy: 0.0002" TIR

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