1/32-1/2″ JT33 Ball Bearing Drill Chuck with Key ~ T.I.R. is .0032″. ~ Ultra smooth. ~ Heavy duty. ~ All parts are hardened and precision ground. ~ Anti-thrust ball bearing to increase the grip power with high speed drilling. T.I.R. is .0032″. Ultra smooth. Heavy duty. All parts are hardened and precision ground. Anti-thrust ball bearing to increase the grip power with high speed drilling.
