HBKEEN 4 Inch Wet Diamond Core Drill Bits, 14" Drilling Depth Core Drill Bit, 1-1/4"-7 Thread Core Drill Bit for Concrete, Reinforced Concrete, Brick, Block, Core Bit with Laser-Welded Mesh Segments for Fast Longer Life, Concrete Core Drill Bit for Hand Held Drill, Drilling Machine(4 inch）

The HBKEEN Diamond Core Drill Bit is a must-have for any DIY enthusiast or professional contractor.

With its 4 inch length and 14 drilling depth, this bit can easily handle even the toughest drilling tasks.

The laser welded diamond segments provide maximum durability and cutting power, ensuring that your drill bits last longer and perform better than ever before.

Whether you're drilling into concrete, reinforced concrete, block, hard brick, asphalt, or marble, this bit is up to the challenge.

Plus, its humanized service means that any product use and quality problems are covered, giving you peace of mind during your project.

Don't settle for anything less - choose the HBKEEN Diamond Core Drill Bit for all your drilling needs!