53220 Royal ER-40 Ultra-Precision Standard ER Collet 7/16"

The Royal 53220 (ER-40) ensures repeatable accuracy with a guaranteed 0.0002" TIR rating. Engineered for professional workholding stability.

• Part Number: 53220
• Collapse Range: 0.437"–0.398"
• Accuracy: 0.0002" TIR

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