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 H

{Diamond Wet Core Drill Bit } 4 inch core drill bits, drilling depth: 14", universal thread 1-1/4"-7 Arbor, please check whether the core drill bit model matches the drill machine before purchasing a order.
{High Quality} Laser welded diamond wet core drill bits with mesh segment, wet core drill bit features chip removal holes, highly regular sawteeth and concentric axes design. High quality diamond, fast, longer, smoothly life.
{Wide Application} Wet core drill bits are designed for drilling concrete, reinforced concrete, block, hard brick, asphalt, marble and other hard masonry.
{Drilling method} Hand held drill, drilling machine. Start drilling from a vertical position and continue digging deeper. A small amount of water can extend long life. Wet use only.
{Humanized Service} Any product use and quality problems in the process of drilling bits, please consult us in time, we hope that you have a pleasant shopping experience.

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