ER16 Collet Chuck, CAT40, 2.5" Gage Length

Clamping range 1-10 mm metric or ø1/8" - 3/8" inch. CAT40 taper to ANSI B5.50. Balanced to G2.5 at 25,000 RPM, runout within 0.003 mm. AD coolant through the flange, 5/8"-11 retention knob thread. Supplied with an A-type hex clamping nut, M22×1.5; collets, wrench and retention knob sold separately.