53212 Royal ER-40 Ultra-Precision Standard ER Collet 5/16"

The Royal 53212 (ER-40) is ground to a guaranteed 0.0002" TIR. This precision-engineered collet ensures maximum tool life and consistent part accuracy.

• Part Number: 53212
• Collapse Range: 0.312"–0.273"
• Accuracy: 0.0002" TIR

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