If you are searching for the best diamond drill bits then you landed on the right page. Here we have compiled a list of the top diamond drill bits.

We have spent around 42 hours to find the right option for you and based on our research QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is Diamond Drill Bit Set 20 Pieces 4 Sizes 1mm 1.5mm 2mm 2.5mm Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary. Below is a review of some of the best diamond drill bits, together with their specifications and functions. So without further waiting, Let’s dive right in.

Best diamond drill bits

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Product Title
Score

Diamond Drill Bits, Baban 10Pcs Hole Saw Diamond Drill Bit Hollow Core Drill Bit Set for Diamond Coating, Carbon Steel for Glass, Ceramics, Porcelain, Ceramic Tile, Marble, 6-32mm
9.9

Neiko 00823A Diamond Grit Hole Saw Drill Bit Set, 5 Piece | 5/32” – ½”
9.5

Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone
9.1

Diamond Drill Bit Set 20 Pieces 4 Sizes 1mm 1.5mm 2mm 2.5mm Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary
8.6

QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall
8.3

Diamond Drill Bit Set, DRILLPRO 10 PCS Glass Hole Saw for Tiles Glass Ceramic Marble Bottles DIY,6mm - 30mm
8.2

7.6

Diamond Drill Bit Glass drill bit for Tile Marble Granite Fiberglass Ceramic Tool Drill Bit Set 5 Pack | 5/32” – ½”
7.4

Drilax Diamond Drill Bit 10 Pieces Set 5/32 3/16 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 Inch Ceramic Porcelain Tile Glass Granite Quartz Slate Kitchen Bathroom Shower Lamps
7.1

Bosch HDG14 1/4 In. Diamond Hole Saw
6.2

Diamond Drill Bits, Baban 10Pcs Hole Saw Diamond Drill Bit Hollow Core Drill Bit Set for Diamond Coating, Carbon Steel for Glass, Ceramics, Porcelain, Ceramic Tile, Marble, 6-32mm


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Diamond Drill Bits, Baban 10Pcs Hole Saw Diamond Drill Bit Hollow Core Drill Bit Set for Diamond Coating, Carbon Steel for Glass, Ceramics, Porcelain, Ceramic Tile, Marble, 6-32mm

 out of stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • ✔ Satisfied Size - 6mm/0.23", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.62", 18mm/0.7", 22mm/0.86", 26mm/1.02", 32mm/1.26"
  • ✔ Ideal Application - This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.They are perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic, slate Mable, granite light stone
  • ✔ Super Material - These diamond drill bits made of high-speed steel that is durable and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.
  • ✔ Sharp&Smooth Cut - Coated with high quality diamond, the diamond hole saw creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
  • ✔ Note - When you using the diamond drill bits, please use lubrication (water),otherwise the diamond core drill will burn.Not for use on Concrete or for depths beyond about 1/2".

Neiko 00823A Diamond Grit Hole Saw Drill Bit Set, 5 Piece | 5/32” – ½”


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Neiko 00823A Diamond Grit Hole Saw Drill Bit Set, 5 Piece | 5/32” – ½”

$10.47  in stock
2 new from $10.47
Free shipping
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • TILE DRILL BITS: 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.
  • GLASS CUTTING TOOL: These masonry 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 when drilling glass, ceramics, and many other materials.
  • GLASS BOTTLE CUTTER: 1/4-inch shank fits all power drills, cuts hard and abrasive materials like glass, fiberglass, tile, granite, marble, stone, and porcelain.
  • TILE TOOLS INCLUDES: This diamond hole saw kit 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)

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


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

$9.99  in stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Perfect Drill Bit Set - Our diamond hole saw kit come with 15 different sizes: 6/8/10/12/14/16/18/20/22/25/26/28/30/40/50 mm (0.24/0.31/0.4/0.45/0.55/0.63/0.7/0.79/0.87/0.98/1/1.1/1.2/1.6/2.0 inch). Our drill bit set can meet your various demands.
  • Premium Quality - There are diamonds on the tip of the glass hole saw, ensuring smooth punching and making the drilling process easier, precise cutting and no rough edges.
  • Multi-functional - Our hole saw kit can play as a glass hole saw, tile hole saw, ceramic tile drill bit set, glass cutter, etc. Compatible with most electric drills.
  • Perfect Design - The side slots on the glass cutter's body can help the entry of cooling water and the ejecting of debris from the borehole. When debris gets stuck in the diamond hole saw. You can use the mini screwdriver to pull it out.
  • Widely Used - Our diamond drill bits suitable for ceramic, glass, tile, porcelain, marble, slate, granite stone, etc.

Diamond Drill Bit Set 20 Pieces 4 Sizes 1mm 1.5mm 2mm 2.5mm Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary


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Diamond Drill Bit Set 20 Pieces 4 Sizes 1mm 1.5mm 2mm 2.5mm Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary

$21.94  in stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Complete 24-Piece Diamond Drill Bits Set: Includes 5 pieces each of 1mm, 1.5mm, 2mm, and 2.5mm, plus 4 collets. Perfect jewelry drill bits for precision holes in glass, stone, sea shells, gemstones, and other hard materials.
  • Durable Diamond Tipped Drill Bit Design: Each bit features a diamond coating and 135° split point, reducing walking while delivering accurate, clean drilling in tough materials like ceramic, rock, and glass.
  • Wide Compatibility & Versatility: Works as a diamond dremel bit with rotary tools, drills, flex shaft attachments, and lapidary equipment. Bonus collets ensure a secure fit for all your jewelry making tools.
  • Ideal for Crafts & Jewelry Projects: Transform sea glass, shells, and natural stones into unique designs. These dremel diamond drill bits are essential jewelry making supplies for DIY crafters and professionals.
  • Engineered for Hard Surfaces: Reliable performance when using diamond drill bits for stone, glass, ceramic, and minerals. Achieve smooth results with these precision dremel drill bits for creative and professional applications.

QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall


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QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall

$7.47  in stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • 1) One drill bit replaces two drill bits (1x glass & tile drill bit + 1x Mansonry drill bit), ideal for drilling fastner holes in bathroom tiles, or wall mirrors. Once it drills through the tile or mirror this drill bit will cope easily with any masonry behind it
  • 2) Spear pointed design strong tungsten carbide tip can easily penetrate various material(tile, concrete, brick, glass, plastic and wood,etc) and reduces breakout
  • 3) 5 Pcs drill bit set with 4 different sizes: 2x 6mm(1/4"), 1x 8mm(5/16"), 1x 10mm(3/8"), 1x 12mm(1/2")
  • 4) U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication
  • 5) Heavy duty drill bits made by factory that manufactures products for big international tool brands with guaranteed quality. For genuine multi-material drill bit, please identify QWORK brand drill bits packed in sealed transparent plastic box with two sides of blue color stickers

Diamond Drill Bit Set, DRILLPRO 10 PCS Glass Hole Saw for Tiles Glass Ceramic Marble Bottles DIY,6mm – 30mm


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

 out of stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • SMALL RESISTANCE: Small incision resistance, opening speed is quickly, easy removal of chips and other advantages.Also help to open accurately. Large chip holes to ensure that when the punching smooth, punching accurate.
  • DURABLE: Nickel-plated with a diamond dust coating offers superior performance and cutting strength.Extended service life.This diamond drill bits are high quality and good performance that excellent for making clean and accurate hole.
  • IDEAL FOR: This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
  • TIP: Can be used with a standard electric drill (not included), Always use lubrication (water), otherwise the diamond core drill will burn. Warnings: Not for use on Concrete or for depths beyond about 1/2"; Water is required for lubrication when drilling.
  • 10 SIZES: Total 10 different sizes (6mm,8mm,10mm,12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 30mm).Different sizes meet your different needs,help you in different places.

30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)


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30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8")

$22.45  in stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Precision Diamond Drill Bits for Stone Set (30 Pcs): Get everything you need for intricate projects with this comprehensive set, featuring 1mm, 2mm, and 3mm solid steel diamond Dremel bits. These are essential jewelry making supplies for fine detail work on a variety of hard materials.
  • Versatile 1/8" Shank for Dremel & More: Each of the 30 diamond bits features a standard 1/8" shank, making them perfectly compatible with your Dremel rotary tool, flex shaft attachments, and most other rotary tools. This ensures broad usability for all your crafting needs.
  • Master Drilling in Glass, Sea Glass & Shells: Specifically engineered for delicate materials, these glass drill bits provide clean, precise holes without cracking or chipping. Ideal for sea glass projects, shells, and creating stunning custom jewelry.
  • Effortless Drilling in Rocks & Gemstones: Tackle tough materials with confidence. Our durable diamond-tipped drill bits are designed for superior performance when drilling into rocks, hard stones, and precious gemstones, ensuring reliable results for your lapidary and jewelry making endeavors.
  • Built for Durability & Consistent Performance: Crafted from solid steel with robust diamond tips, these jewelry making supplies are engineered for rigorous use. Expect long-lasting durability and consistent, high-quality performance for all your crafting and professional projects.

Diamond Drill Bit Glass drill bit for Tile Marble Granite Fiberglass Ceramic Tool Drill Bit Set 5 Pack | 5/32” – ½”


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Diamond Drill Bit Glass drill bit for Tile Marble Granite Fiberglass Ceramic Tool Drill Bit Set 5 Pack | 5/32” – ½”

 out of stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Glass drill bit Perfect set for cutting accurate holes in a wide variety of materials such as glass and ceramics
  • Nickel plating on these bits maximizes your tool’s life with great resistance to corrosion
  • Diamond Drill Bit coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws
  • Diamond grit hole saw drill bit side holes allow for easy slug removal after drilling
  • Sizes include: 5/32”, ¼”, 5/16”, 3/8”, and ½” with a cutting depth of ¾”and ¼” shank

Drilax Diamond Drill Bit 10 Pieces Set 5/32 3/16 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 Inch Ceramic Porcelain Tile Glass Granite Quartz Slate Kitchen Bathroom Shower Lamps


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Drilax Diamond Drill Bit 10 Pieces Set 5/32 3/16 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 Inch Ceramic Porcelain Tile Glass Granite Quartz Slate Kitchen Bathroom Shower Lamps

$24.94  in stock
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Comprehensive 10-Piece Diamond Set: This Drilax diamond drill bit set includes a versatile range of 10 precise sizes: 5/32", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8", and 1 inch. You'll have the perfect diamond hole saw for any project, from intricate glasswork to large tile cutouts.
  • Precision Drilling Across Hard Materials: Expertly cut clean, perfect circles through challenging surfaces including ceramic, glass, porcelain, all types of tile, granite, quartz, and marble. These multi-material diamond drill bits ensure chip-free results every time.
  • Bonus Drill Guide & Storage Case: Each set comes complete with a convenient diamond drill bit guide for easy, scratch-free hole starting and precise location, plus a durable zipper case for organized storage and portability of your entire diamond hole saw kit.
  • Triple-Strength Diamond Coating: Engineered for superior performance and longevity, each diamond-tipped hole saw bit features a robust, triple-layered diamond coating over a solid alloy steel body, enhancing durability and delivering fast, precise, and dustless cuts.
  • Ideal for Diverse Home & Craft Projects: Perfect for creating custom bottle lamps, fish tank projects, drain holes in ceramic pots for plants, installing RO water filters in granite countertops, or essential tile work in bathrooms and kitchens.

Bosch HDG14 1/4 In. Diamond Hole Saw


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Bosch HDG14 1/4 In. Diamond Hole Saw

$18.99
$13.64
 in stock
5 new from $12.96
Free shipping
Amazon.com
as of August 29, 2025 12:36 pm

Features

  • Vacuum-brazed diamond grit cuts faster and lasts longer
  • Segmented teeth reduce debris and heat
  • Remove material plugs quickly, easily
  • One-inch maximum cutting depth

In this article, we have reviewed the best diamond drill bits for our readers. We hope you get the perfect diamond drill bits from our above list. If you didn’t find your desired one then check out Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone, one of the most sold items in the market.