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- Royal ER Collet Chucks are among the most accurate on the market:
- 0.0001" TIR max. guaranteed between the O.D. taper and I.D. socket. Overall system accuracy guaranteed to be 0.0003" TIR or better when using Royal ultra-precison ER collets.
- Taper ground to AT-3 speces to ensure a precise, rigid fit with the machine tool spindle taper.
- The clamping nuts for Royal ER Collet Chucks are specially ground to ensure near-perfect roundness. This helps ensure maximum accuracy, minimizes vibration, and provides outstanding holding power.
- The high accuracy of Royal ER Collet Chucks ensures that cutting tools stay on centerline, distributing the chip-load evenly and significantly extending cutting tool life.
- All Royal ER Collet Chucks are balanced to G2.5@18,000 rpm for high-speed operation. A serialized balance certificate is included with each tool.
- A central thru-coolant feature is standard on all Royal ER Collet Chucks.
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