4 1/2′” x 6.5″ Dry Diamond Masonry Laser Welded Core Drill Bit

• 4.5″ x 6.5″ Dry Core Drill Bit
• 13/16″ female threads
• 10 MM Segment Height last twice as long as other bits
• 6.5″ Barrel Height and 7.75″ overall height

Drill perfect holes in block, brick, concrete and other materials without splitting. All of our bits are LASER Welded to last a lifetime. Our Steel Dragon Tools Wet and Dry Diamond Core Drill Bits have a 1 year warranty against manufacture defect. Feel Comfortable knowing that our factory strictly conforms to ISO-9001-2000 Quality Control Systems and ISO-14001-2004 Environmental Systems.