Precise Pro-Series CAT40 V-Flange Drill Chuck Arbors

• For CNC machines with CAT 40 taper spindles.
• Made of 20CrMnTi alloy steel.
• Electrolysis nickel coating.
• Superior finish.
• Gage depth is 1.772".
• Retention knob thread is 5/8"-11.
• Maximum RPM is 8,000.
• T.I.R. is <= .0002".