This Stanley hammer drill uses chucks with a keyless system. The hammer drill runs on a rechargeable battery, so it's cordless.
From Homebase
Stanley FatMax V20 18V Cordless Brushless Combi Drill 2 x 4.0Ah
Sunvis Store
Stanley Fatmax V20 18V Cordless Brushless Hammer Drill with 2 x 4.0Ah Batteries