This Irwin rotary masonry drill bit features a tungsten carbide tip for drilling in concrete, brick, block, and stone with both rotary and hammer drills. The slow spiral flute design removes debris quickly and efficiently, while the nickel-plated finish provides smooth operation and corrosion resistance.

• 1/4" diameter x 4" overall length
• Tungsten carbide tip for rotary and hammer drilling
• Slow spiral flutes for fast debris removal
• Nickel-plated for smooth, corrosion-resistant operation
• Ideal for concrete, brick, block, and standard cinder blocks