Wet Drill Core Bits for Hard Concrete, Granite, Brick, and Block - 4.25

<p>Wet core drill bits with high diamond concentration and quality, for a faster coring and longer life. Perfect for drilling concrete, concrete with light steel reinforcement or other hard masonry. 10mm segment height with 14" drilling depth. 1-1/4"-7 threaded arbor, use wet only with handheld core drills or core drill rigs. </p> <p><strong>Not designed for wire mesh! Use on rotary mode only! </strong> </p> <br> <ul><strong> Specifications: </strong> <li> MULTIPURPOSE - designed to drill concrete, concrete with light steel reinforcement or hard masonry </li> <li> HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling </li> <li> ARBOR SIZE - 1-1/4"-7 threaded arbor </li> <li> DRILLING DEPTH - 14" drilling depth </li> <li> WET ONLY - recommended to use with handheld core drills or dedicated core drill rigs (rotary mode only) </li> <li> ROTARY MODE ONLY - please only use rotary mode with core bits, not designed for wire mesh drilling </ul>