CAT 40 DA Series Collet Chucks. Kingston: Balanced to 15,000 RPM @ g6.3. Spin Tru: Balanced to 20,000 RPM @ g2.5. Manufactured to ISO9002 quality control standards. Each holder balanced on a HAIMER Balancing machine and includes certificate of individual inspection and balancing. Accuracy: 0.0002” TIR or better. Taper
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