IRWIN 326017 1/2 x 20 x 24 Straight Shank Masonry Bit
DRILL BIT 1/2 X 20 X 24MASONRY Fits all hammer drills with 3-jaw chuckChrome vanadium shaft through-hardened to 50-53HrCPatented flute geometry removes dust from the hole quicker for fast drilling and long lifeUp to 150% faster than other competitive bitsShot-peened, double-tempered finish reduces breakageHot isostatically pressed to extend life and resist breakageCopper braze material gives high heat resistance for reduced tip loss Flute Length: 20 inCutting Diam: 1/2 inHeight: 0.197 inLength: 25.980 inOverall Length: 24 inType: Rotary Percussion BitWidth: 5.120 in