Irwin 326006 1/4" x 4" x 6" Masonry Drill Bit, Chrome Vanadium

Irwin 326006 1/4" x 4" x 6" Masonry Drill Bit, Chrome Vanadium

The Irwin 326006 Masonry Drill Bit is a 1/4" x 4" x 6" bit engineered for fast, reliable drilling into concrete, brick, and block. Built around a chrome vanadium shaft that is through-hardened to 50-53HrC, this bit is designed to withstand repeated masonry drilling on commercial and residential jobsites. The copper braze material bonding the tip to the shaft provides high heat resistance, reducing tip loss and extending usable life. Every Irwin 326006 bit is hot isostatically pressed to extend life and resist breakage, and it fits all hammer drills equipped with a 3-jaw or Jacobs chuck.

Key Features

• Trade Size: 1/4" diameter x 4" flute length x 6" overall length, sized for standard masonry anchor and fastener holes.
• Durable Construction: Chrome vanadium shaft through-hardened to 50-53HrC for added strength, rigidity, and resistance to wear.
• Heat-Resistant Tip: Copper braze material bonds the tip to the shaft with high heat resistance, reducing tip loss during extended drilling.
• Hot Isostatically Pressed: The pressing process extends bit life and resists breakage under heavy, repeated use.
• Shot-Peened, Double-Tempered Finish: This finish process reduces breakage and adds to the overall durability of the bit.
• Patented Flute Geometry: Clears dust from the hole quickly for faster drilling and longer bit life between sharpenings.
• Universal Chuck Fit: Compatible with all hammer drills that use a 3-jaw or Jacobs chuck.
• Faster Drilling Performance: Drills up to 150% faster than other competitive masonry drill bits.

Certifications & Compliance

• Tips Made to ANSI Specifications

Technical Specifications

• Warranty: NLW
• Country of Origin: China

Typical Applications

• Drilling Anchor Holes in Concrete and Masonry
• Brick and Block Wall Installations
• Fastener and Anchor Installation Projects
• Commercial and Residential Construction Work
• General-Purpose Drilling with Hammer Drills

Why Irwin?

Irwin masonry drill bits combine a through-hardened chrome vanadium shaft with a copper braze tip and patented flute geometry to deliver fast, long-lasting performance on the jobsite. Hot isostatic pressing and a shot-peened, double-tempered finish work together to resist breakage, while ANSI-spec tips help ensure consistent, dependable results for professionals and DIYers who need a masonry bit built to hold up to daily use.