ER16 Collet Chuck, NBT30, 2.36" Gage Length

Clamping range 1-10 mm metric or ø1/8" - 3/8" inch. JIS B 6339 BT30 taper for ATC that do not use drive keys. Balanced to G2.5 at 25,000 RPM, runout within 0.003 mm. AD coolant through the flange, M12×1.75 retention knob thread. Supplied with an A-type hex clamping nut, M22×1.5; collets, wrench and retention knob sold separately.