Accuracy 0.0098'' Key Type #0222-0703 1/2'' JT6 Drill Chuck,Chuck Accuracy 0.0098'' Key Type #0222-0703 1/2'' JT6 Drill, Accusize Industrial Tools, We have other precision tools, machine tool accessories, and industrial cutting tools available to ship now, at fixed price,Size: 1/2'' Jacobs Taper: JT6, Great prices and Fast Shipping Low prices storewide Same day shipping Do our best to make your shopping happy. Drill Chuck Accuracy 0.0098'' Key Type #0222-0703 1/2'' JT6.