Hammer Drill Bits require a standard chuck for use. Often referred to as Percussion Drill Bits, they are smaller in drilling capability but are perfect for most home owners. Their diameter is limited, usually up to 1-1/2", but this covers the majority of household jobs. Tool King stocks a great selection of Hammer Drill Bits. Shop now for the best prices on the Hammer Drill Bits you need, all priced to fit any budget.