Irwin 5026003 Masonry Drill Bit 1/4x4 Inch 5 Pack

Product Description

The IRWIN INDUSTRIAL TOOL CO 5026003 is a professional-duty masonry drill bit designed for drilling into concrete, brick, and masonry materials. Each bit measures 1/4 inch in diameter and 4 inches in length, featuring a tungsten carbide tip that withstands the demands of percussion and rotary drilling applications. The slow spiral, deep single-flute design pulls drilling dust out of the hole quickly, reducing clogging and improving drilling speed. A nickel-plated body reduces friction for smoother performance throughout the bore. This pack contains 5 individual bits, making it a practical choice for contractors and trade professionals who go through consumables on active job sites.

These bits are suited for use in both percussion (hammer drill) and standard rotary drilling modes, giving installers flexibility across different tool setups. Typical applications include anchor hole drilling in concrete block, brick, and poured concrete during electrical, HVAC, plumbing, and general construction rough-in work. The 1/4-inch diameter is a common size for sleeve anchors, conduit straps, and pipe hangers. Note that drill bits 7/16 inch and larger in this product line use a reduced shank to fit standard chuck sizes.

Key Features

• Tungsten carbide tip rated for concrete and brick in both percussion and rotary drilling modes
• Slow spiral, deep single-flute geometry evacuates drilling dust rapidly to maintain cutting speed
• Nickel-plated body reduces friction and supports smooth, consistent performance
• Compatible with percussion (hammer drill) and standard rotary drill operation
• Pack of 5 bits for job-site-ready supply of a high-consumption consumable
• 1/4-inch diameter by 4-inch length suits common anchor and fastener hole requirements

Compatibility

Designed as an OEM-style replacement and standard consumable masonry drill bit for use in 3-jaw keyed or keyless chucks accepting a 1/4-inch straight shank on percussion or rotary drills.

Installation Notes

Masonry drill bits of this type are installed by electricians, plumbers, HVAC technicians, and general contractors during rough-in phases. Always wear eye protection and a dust mask when drilling masonry. Confirm there are no embedded conduit, rebar, or utilities behind the drilling surface before starting. Allow the bit to do the work at steady pressure — forcing or prying the bit sideways will chip the carbide tip.