56634 Royal ER-40 Ultra-Precision Sealed ER Collet 20mm

The Royal 56634 (ER-40) features a mechanical seal for 20mm tools. Guaranteed 0.0002" TIR ensures maximum repeatability and 100% coolant flow through the tool.

• Part Number: 56634
• Range: 20mm (Nominal Only)
• Accuracy: 0.0002" TIR

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