Jacobs Chuck 30602-1 / 2-Inch Keyed Chuck, 1/2-20 Mount

•Drill Chuck, Keyed, Steel, Plain Bearing, Capacity Max. 0.500 In., Capacity Min. 0.078 In., Mounting Size 1 / 2-20, Key Number KK, Mounting Type Threaded, Nominal Capacity 1/2 In., Includes Chuck Key