56212 Royal ER-40 Ultra-Precision Sealed ER Collet 5/16"

The Royal 56212 (ER-40) offers high-performance sealed workholding with 0.0002" accuracy. Mechanically sealed to eliminate vibration and protect the machine spindle.

• Part Number: 56212
• Range: 0.312" (Nominal Only)
• Accuracy: 0.0002" TIR

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