IRWIN 326017 1/2 x 20 x 24 Straight Shank Masonry Bit
Price 16.78 - 24.96 USD
Round Shank fits all hammer drills with 3-jaw chuck * Carbide Tip design removes dust fast for long life * Copper braze material gives high heat resistance * Shot-peened, double tempered finish reduces breakage * Chrome Vanadiam Spring Steel Shaft