Diamond Drill Bit Tile Hole Saw Set 15 Pcs Diamond Hole Saw Kit With, Marble High Rigidity Diamond This tile hole saw are made of industrial grade carbon steel with nickel-plated coated body that resist corrosion. Thicken corundum coating on the tops offers superior cutting strength for maximum drilling outcomes. Extraordinarily Sharp Each hole saw drill bit was processed by a smooth and exact finish that lower the incision resistance and drill pressure, increase the sharpness and the use of water lubrication. Excellent for making clean and precise hole on glass or ceramic and considerably extending drill bit life. Large Clearance Hole These ceramic drill bits along with large clearance hole facilitate the entrance of cooling water and escape of chips. Making the drilling process more easy and relax. Widely Application There are 15 different sizes included with this glass drill set to meet various demands. Perfect for drilling glass, tile bottles, blocks jars, fiber glass porcelain tile ceramic, vitrified, brick and stone. 15 Sizes Each drill bit set includes: 0.24", 0.31", 0.4", 0.47", 0.55",0.63", 0.71", 0.79", 0.87", 0.98", 1.02",1.11", 1.18", 1.57", 1.97" Total length: about 2". Package Contains 15Pcs* Diamond Coated Drill Bit Attention: Please keep the speed within 800-1000 per minute, low drill pressure and increased use of water lubrication will extend drill bit life. Product Features EXTREME HARD - Made of industrial grade carbon steel with nickel-coated body to resist corrosion. THICKEN DIAMOND COATING - on the tops offers superior cutting strength for maximum drilling outcomes. LARGE CLEARANCE HOLE - The glass hole saw set along the drill bit facilitate the entrance of cooling water and escape of chips and other particles from drilling. WIDE USAGE - Ideal for drilling glass, tile, porcelain tile, ceramic tile, brick, and stone. NOTE - Please keep adding water when drilling to extend the life. Besides the water lubrication will improve the drilling experience. 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!