Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Marine Accessories 1/2"-20 NF

1/2"-20 NF

Triple fin vinyl seal provides superior seal for uneven floor surfaces

Made of non-marking rubber

foam-paper-nylon system with advanced directional air flow provides very clean air for better saw performance

"FLEX-O-GLASS" WINDOW FLEX-O-GLASS

Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Marine Accessories 1/2"-20 NFHighlights: 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