IRWIN 5/16 X 4 X 6 Straight Shank Masonry Bit

Designed for high heat resistance, the 5/16 in. x 4 in. x 6 in. Rotary Percussion Drill Bit is made with copper braze material. The chrome-vanadium spring steel shaft offers improved durability, while the double-ground, extra-deep flute increases bit speed and debris removal. This bit works with all hammer drills that have a 3-jaw or Jacobs chuck. Features & Benefits Carbide Tip design removes dust fast for long life Chrome Vanadiam Spring Steel Shaft Copper braze material gives high heat resistance Round Shank fits all hammer drills with 3-jaw chuck Shot-peened, double tempered finish reduces breakage