Ace Hardware offers the DeWalt 7-Piece Premium Percussion Masonry Drill Bit Set for $9.99. Add it to your cart to drop the price to $6.99. Choose in-store pickup to avoid the $9.45 shipping fee. That's $3 below our December mention and $11 under the lowest shipped price we could find. These bits features rock carbide tips and are designed for use with electric or cordless hammer drills. The set includes bits with diameters from 3/16" to 1/2". Deal ends May 29.