110Mm Diamond Core Drill Bit For Drilling Porcelain Tile, Ceramic, Marble, And Product Features ?Size --1pc 110mm, diamond height 10mm, total length 60mm, 5/8-11 thread of the tile drill bit ?Wide Application --Diamond core bits are worked great for dry drilling holes through porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime ?Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform ?Fast And Smooth Drilling --Special U-groove tooth shape and chip removal design of the tile hole cutter creates a high sharpness, you could drill smoothly with no broken edges ?Machine --angle grinder (direct connection) or electric drill (with adapter ) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!