Precise keyless High Precision Heavy Duty CNC Drill Chucks

• High precision and strong gripping power making this drill chuck an ideal choice for CNC application
• Strong ball bearing structure improves gripping force and drilling accuracy
• Tightened and release by hand which permit more rapid tooling change to increase machine productivity
• Runout 0.002″ (0.05mm) at 4xD Length position
• Tin coated jaws hardend to HRc 60
• All wearing parts are quench hardened
• Spanner wrench included