High Precision Keyless chuck with 0.0- 6.5mm Capacity and No 1Taper mount.

Precision tested and certified to .0016 T.I.R. maximum at half capacity.Self-tightening feature automatically increases gripping force.All components exposed to wear are completely hardened to matintain accuracy and extend chuck life.Jacobs taper mount permits use on a wide range of high accuracy drill presses, jig borers, milling machines and production drilling equipment.l