Hydraulic expansion toolholder Series: TENDO Slim 4ax Cool Flow variant Toolholder interface: CAT 40 Clamping diameter: 5/8" Projecting length: 80.01 mm Run-out accuracy: ≤ 0.006 mm at 2.5 x D Balancing grade: G2.5 at 25, 000 RPM or U max < 1 gmm Min. torque: 185 Nm