https://www.lowes.com/pd/Bosch-Impa...Masonry-Drill-Bit-for-Hammer-Drill/1000549605 7-pc Bosch Impact Tough High-Speed Steel Masonry Drill Bit Set (LBHXS7U) on sale for $9.98. Shipping is free with Bronze Key status with your My Lowe's Rewards Membership