Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Marine Accessories The maximum pressure rating is

The maximum pressure rating is 800 pounds per square inch (gauge) (psig) for water

1/2"-20 NF

Made of non-marking rubber

120/277 Volt

Fast-drying

Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Marine Accessories The maximum pressure rating isHighlights: Diameter: 3 8" Overall Length: 13" Material: Chrome Vanadium Spring Steel Cutting Edge Material: Copper Braze Fits all hammer drills with 3 jaw or Jacobs chuck Chrome vanadium shaft through hardened to 50 53HrC Up to 150% faster than other competitive bits Shot peened, double tempered finish reduces breakage Hot isostatically pressed to extend life and resist breakage Copper braze material gives high heat resistance for reduced tip loss