Based on in-depth research and analysis of millions of customer reviews we did on the market this year. we are going to reveal the best diamond drill bits that you can buy confidently.

Cool Picks For diamond drill bits (Comparison Table)

Before we start, if you are in a hurry then here are our recommendations based on our in-depth research ordered by score.

10 Best diamond drill bits (Features & Benefits)

Great! Now that you have an idea about the products we are going to reveal in this post. let’s take a look at each item of the best diamond drill bits, explore the different specifications and features that it has to offer.

Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone

$13.99  in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • 【Glass Drill Bit】These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp
  • 【High Quality Drill】Each hole is treated with smooth and accurate surface treatment,and the top oh the hole is thickened to achieve excellent cutting strength
  • 【Tile Hole Saw 15 Sizes】 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm,to meet various demands
  • 【Wide Usage】Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces
  • 【Attention】Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life.

Diamond Drill Bit Set,10 Pieces Diamond Hole Saw, Glass Hole Saw for Tiles Glass, Ceramic, Porcelain, Marble, Bottles, DIY,6mm - 30mm

$11.99
$8.99
 in stock
3 new from $8.99
Free shipping
Amazon.com
as of May 15, 2022 8:30 am

Features

  • Small resistance: It has the advantages of low resistance to cutting, fast opening, easy chip removal, etc. It also facilitates accurate opening.Large chip evacuation holes ensure smooth and accurate punching.
  • Robust and durable: Nickel plated with diamond powder coating provides superior performance and cutting strength for extended life. High quality and performance, this diamond bit is perfect for making clean and accurate holes, making it your best choice.
  • Versatile: This diamond coated bit can remove a full circle from glass, ceramic, porcelain, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass or other materials.
  • Tip: Can be used with standard electric drills (not included). Water is required for lubrication when drilling, otherwise the diamond coring drill will burn. WARNING: Not for use with concrete or depths greater than approximately 1/2".
  • 10 sizes. There are 10 different sizes (6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 30 mm), different sizes to meet your different needs and help you in different places.

Diamond Drill Bits, LepoHome 10 PCS Hollow Core Drill Bit Set for Ceramic, Glass, Porcelain Tile Diamond Hole Saw Tile Set Glass Drill Bit, 1/4 to 1-1/2 Inch

$8.99  in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • 10 Sizes(Diameter): 4mm(4/25"), 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 15mm(3/5"), 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22mm(7/8"), 30mm(1-1/5"). Satisfy most of your different needs.
  • Rustless & Durable: Made of high strength Carbon Steel with smooth nickel plating surface to extend the service life.
  • Quick, Sharp & Smooth Cut: Coated with high quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds.
  • Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone.Not for use on Concrete or for depths beyond about 1/2".
  • Attention: Please keep the speed in 800-1000 per minute, keep adding water to keep the drill cool, strictly prohibit from dry drilling.

Dry Diamond Drill Bits Set 5 PCs for Granite Ceramic Marble Tile Stone Glass Hard Materials (not for Wood), Round Shank 1/4, 5/16, 3/8, 1/2 inch with Storage Case

$28.99
$19.99
 in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • Add Versatility to Your Tool: 5 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/4 inch(6mm), 3/8inch (10mm), 5/16inch (8mm) and 1/2inch (12mm);
  • Vacuum Brazed Diamond Technology: Great for drilling clean holes to hard materials especially tiles, porcelain ground, granite ceramic glass mirror marble stone masonry brick (not for wood)
  • Dry Drilling Design: Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit
  • Unique Details: Diamond coating enhances the drilling speed; Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill; Side flutes help to remove debris and drill holes smooth and fast; Depth mark useful for precise project
  • Worry Free: This Diamond Drill Bits set comes with a portable storage case for convenient use and store. If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service

NEIKO 00823A Diamond Hole Saw | 5-Piece Diamond Drill Bit Set | 5/32 – 1/2-Inch Hollow Core | 1/4-Inch Shank | for Glass, Ceramics, Porcelain, Tile, Granite, Bottles, Pots, and Marble

$10.99
$9.99
 in stock
2 new from $9.99
Free shipping
Amazon.com
as of May 15, 2022 8:30 am

Features

  • [QUALITY]: Diamond drill bits cutting blade with electroplated premium grade diamond and burn resistant braze to deliver more effective performance than traditional carbide or bi-metal hole saws.
  • [CLEAN CUT]: These hole saws have a CNC machined tip to ensure clean, smooth and accurate holes cut up to 3/4” deep with no broken edges.
  • [DURABLE]: Solid one-piece alloy steel construction with heat treatment and extra thick wall for added durability and long-lasting service.
  • [UNIVERSAL]: 1/4-inch shank fits all power drills, cuts hard and abrasive materials like glass, fiberglass, tile, granite, marble, stone, and porcelain.
  • [INCLUDES]: This diamond hole drill bit set has 5 sizes: 5/32-inch (4mm), ¼-inch (6mm), 5/16-inch (8mm), 3/8-inch (10mm) and 1/2-inch (12mm)

15 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, High Quality Glass Drill Bit for Bottles,Pots, Marble, Granite Stone, Tile Cutting 0.23 Inch - 2 Inch(6mm - 50mm)YLYL

$15.99
$9.99
 in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • 【15 Sizes】Diamond drill bits for ceramic, 6mm/0.23“,8mm/0.31“,10mm/0.39“,12mm/0.47”,14mm/0.55“,16mm/0.62”,18mm/0.7“,20mm/0.78” , 22mm/0.86”,25mm/0.98”, 26mm/1.02“,28mm/1.1“, 30mm/1.18“, 40mm/1.57in, 50mm/2“. Glass cutting drill bit to meet various demands!
  • 【Wide Usage】Diamond hole saw drill bit set kit removes a complete circle from glass, marble, tiles,granite, ceramic or other., Perfect for drilling glass, porcelain tile, granite, bottles, Wood, Blocks Jars, ceramic marble and and other hard surfaces etc.
  • 【Super Material】Glass drill bit for bottles, are made of industrial grade carbon steel, sharp, fine workmanship and super wear-resistant, Extended service life. Glass cutting drill bit are high quality and good performance that excellent for making clean and accurate hole.
  • 【Tip】Diamond drill bits for ceramic, When you using the diamond hole saw, please use lubrication (water), lubrication will extend drill bits life.
  • 100% SATISFACTION GUARANTEED: Our team is committed to providing every customer with good products and 100% satisfactory service. If there are any problems with our diamond drill bits for ceramic, contact us and we would be very happy to solve your problems. Please Be sure to Add to Cart.

Diamond Drill Bit Set 1mm 1.5mm 2mm 2.5mm 20 Pieces 4 Sizes Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary Ornament Bracelet Necklace Arts Crafts Design

$24.45  in stock
2 new from $24.45
Free shipping
Amazon.com
as of May 15, 2022 8:30 am

Features

  • Premium Quality Set of Total 20 pcs. 1mm (5 pcs), 1.5mm (5 pcs), 2.0mm (5 pcs), and 2.5mm (5 pcs) Twist Diamond Drill Bits - Compatible with Dremel and Other Rotary Tools
  • Perfect for Jewelry Design Necklaces Earrings, Pendants, Bracelets with Sea Shells, Beach Glass, Rocks
  • Make Clean Holes in Glass, Gemstones, Rocks, Ceramic, Porcelain, Gemstones
  • Compatible with rotary tools, electric, cordless hand drills, upright drills, flex shafts, and rotary tools such as Dremel.
  • Cooling is important. Keep the hole you're cutting constantly bathed in water. You can feed water to the drilling spot, always keeping it wet. Or you can submerge the whole piece in water in a plastic container.

Diamond Burr Bits, ZFE Diamond Burr Bits Drill Kit for Rotary Tool Metal Woodworking Router Grinding Engraving Carving- 1/8"(3mm) Shank Pack of 90Pcs/ 3 Sets

$19.99
$11.99
 in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • ▲90pcs Diamond Burrs - Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing; Work on glass, metal , stone, ceramic, wood, plastic
  • ▲Sold Storage Box - PC plastic box is sturdy, falling resistant and moistureproof, easy for carrying and hanging; All parts were in order and set was complete, well organized to prevent scattered and confused
  • ▲Different Sharp Bits Accessories - 30 Style different sharp router bit can reach More Carving, Great for all types of detail work.
  • ▲Wide Usage - 1/8" diameter shanks, compatible with most rotary tools; Ideal for home improvement, craft and whenever you need to polish, grind, drill, cut, engrave, and more,used with most rotary tools ,Able to engrave on a wide range of materials including: wood, ABS, acrylic, PVC, plastics, etc. Well-suited for detailed work, such as building and sanding dollhouse furniture, model trains, or miniature buildings,Highly recommended for jewer
  • ▲What You Will Get - ZFE 90-Piece rotary tool carving,engraving bits kit and our best service

‎AIFIZO 7PCs Dry Diamond Drill Bits Set for Many Hard Materials Granite Marble Tile Ceramic Stone Glass (NOT for Wood) Round Shank Diamond Hole Saw Kit Diamond Drill Bits for Porcelain Tile

$19.99  in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • 【Application Scenarios】The Dry Diamond Core Drill Bits Kit is designed for perforating hard materials specifically such as tiles and floor tiles made of granite marble, ceramic, glass mirror. Not suitable for wood materials.
  • 【Package Contents】There are 7 diamond bits in one set of drill bits. Each drill bit is made of cemented carbide which is manufactured by vacuum brazing diamond technology with special lubricating wax in the central control tube.
  • 【Adaptation Tool】Round shanks are compatible with most machines such as hand drills, angle grinders and bench drills. Wet and dry use, water can be used to cool the drill bit and prolong the service life.
  • 【Size of Drill】 Bore Size: 5mm 6mm 8mm 10mm 12mm 14mm 16mm,a total of 7 drills. Drilling is smooth.
  • 【Easy to Use 】Each drill is individually packaged to ensure that each drill will not be worn out before use. Be sure to take safety measures when using it to avoid injury.

Dry Diamond Drill Bits Set 10 PCs 1/4" 6mm Small Diamond Hole Saw Kit for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood) Round Shank

$19.99  in stock
Amazon.com
as of May 15, 2022 8:30 am

Features

  • ✅【Package includes 】10 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/4 inch(6mm), Sufficient quantity to meet your needs
  • ✅【Apply to】Great for drilling clean holes to hard materials especially tiles, porcelain ground, granite ceramic glass mirror marble stone masonry brick, Note: not for wood
  • ✅【Dry Drilling Design】Diamond Drill Bit made of carbide and integrated with wax lubricant inside, which can melt while dry drilling and cool the cutting surface; Water can be used as additional cooling to prolong the life of the bit
  • ✅【Wide compatibility】Diamond coating enhances the drilling speed; Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill; Depth mark is also useful for precise project
  • ✅【Easy to Carry and Use】 This Diamond Drill Bits set comes with a portable storage case for convenient use and store. If you encounter any problems or are not satisfied with the products while using our Diamond Drill Bits set , please feel free to contact us