Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Entry One standard spearpoint blade

One standard spearpoint blade

Lumens: 100

Made out of 4 ply cotton

Penetrates deep

Uses a thick

Irwin 326-012 Percussion Masonry Drill Bit, 3/8" x 12" Entry One standard spearpoint bladeHighlights: 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