3/4″ CAT 40 V-Flange Shell End Mill Arbor ~ For CNC machines with CAT 40 taper spindles. ~ Retention knob thread is 5/8″-11. ~ Hardened and precision ground. ~ Bore thread is 3/8″-24. For CNC machines with CAT 40 taper spindles. Retention knob thread is 5/8″-11. Hardened and precision ground. Bore thread is 3/8″-24.
