Precise CAT40 V-Flange Drill Chuck Arbors

• For CNC machines with CAT 40 taper spindles.
• Made of 20CrMnTi alloy steel.
• Electrolysis nickel coating.
• Hardened and precision ground.
• Gage Depth is 1.772"
• Maximum RPM is 8,000
• Tolerance is .0002" Maximum
• Retention knob thread is 5/8"-11
• Superior finish.