10 Best Diamond Drill Bit for 2025

UEOTO

• @ HIGH QUALITY DIAMOND DRILL BIT SET with RUSTLESS, CUTS QUICKLY - Made from high strength carbon steel with nickel plating surface makes these drill bits durable and precise; The bit's tip head is made of 80 grit diamond coating, which is uniform; It great helps to increase the drilling speed and more sharper than other ordinary hole saws.
• @ 10 PCS MOSTLY USED SIZD - Includes the following diameters 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm; Using laser marking, the size will meet most of your different needs.
• @ APPLICATION - Suitable for use in drill hole on glass, marble, tile ,blocks jars, fiberglass porcelain tile ceramic, slate mable, granite light Stone etc. Will work with all electric drill and impact drill.
• @ NICE DESIGN - The center pilot holes and side holes help to remove the waste material easily;And surface nickel plating, extend the service life, enhance the surface corrosion resistance
• @ Kind Notification - When cutting hard materials it is important to ensure the cutter is kept cool to avoid damage to the material being drilled and premature wear of the cutter; Water is required for lubrication when drilling, which can extend the life of the drill bit set.

Proster

• 3 PCS DRILL BITS --- This Set Includes 6mm, 8mm And 10mm Drill Bits.
• DIAMOND --- The Drill Bits Equip with Diamond, Which Can Drill Hole Quickly And Can Be Used for Stone with High Hardness Such As Marble, Tile, Granite, Etc.
• DRILL WITHOUT WATER --- Wax Are Inserted to The Drill Bit for Cooling And Lubrication, So You Can Drill Holes without Adding Water.
• HEXAGONAL --- The Shanks Are Hexagonal That Can Be Gripped Tightly, So It Won’t Slip out Easily. Can Be Used with Hand Drill, Bench Drill.
• DURABLE --- Durable And Can Be Used for Long Time. Every Bit Can Be Used More Than 30 Times.

DRAAK

• Diamond Drill Bits For Porcelain Tiles. Grit Edged Tip Requires No water
• Can be used on the toughest materials including Marble, Granite, Porcelain, Ceramic & Glass Tiles
• Will drill hardest grade 5 porcelain
• Superior Cutting, Increased life & Self Cooling
• 5mm to 16mm filled with wax, 20mm & 25mm has no wax

Bosch Professional

• Diameters 5/5.5/6/6/7/8/10 mm
• Manufactured in Germany
• For drilling in all kinds of materials
• Centring tip for a precise drilling start
• Fine grade high durable carbide

Aiskaer

• 1mm 20pcs. 2mm 20 pcs. 3mm 20pcs.Diamond Drill Bits - 1/8 shank
• Practical - Suitable to be used with hand drills, flex shafts and dremels.
• Perfect Jewelry Design Necklaces Earrings, Pendants, Bracelets with Sea Shells, Beach Glass, Rocks
• Make Clean Holes in Tiles, Marble, Rocks, Ceramic, Porcelain, Gemstones
• Experience needed, you may break few bits during practice. Use with water - do not run dry.

Feelava

• 【HIGH QUALITY DRILL BIT SET】These diamond drill core bit made of premium high-speed steel with nickel-plated coated body that resist corrosion. A thicken diamond coating on the tops offers superior cutting strength for maximum drilling outcomes
• 【SHARP & SMOOTH CUT】The diamond hole saw creates a high precision, smooth cut with no broken edges. Excellent for making clean and accurate hole
• 【SATISFIED SIZE】Cutting hole diameter : 6mm / 0.23 icnh, length: 5cm /2.5inch. Super drill bits you can drill where you want to drill your hole and use it as a "guide" to start the hole
• 【OPERATION】Start drill at 45° to surface and align to 90° as hole forms. Reduced drill speeds, low drill pressure,and water is required to cool down the drill when using them, extend drill bit life considerably
• 【APPLICATION】Hole saws perfect for drilling glass, tile, porcelain tile, ceramic tile, brick, blocks jars, slate mable, granite light stone

TACKLIFE

• ●Diamond Drill Bit Tools 10 pcs Set 6mm,8mm,10mm,14mm, 16mm,18mm,22mm,35mm,40mm,50mm
• ●Center pilot drill is unnecessary and not included
• ●Great gift idea for any DIY lover working at Kitchen, Bathroom, Shower,bottle to dealing with Ceramic, Porcelain Tiles, Glass and Marble
• ●Diamond Coated Tools will work best if you use water to keep the tools cool. Please do NOT run dry
• ●The Glass drill bit suitable for all common electric drillers. Max depth 12.7mm

UEOTO

• PREMIUM MATERIAL DRILL BITS - The drill bit is made of hard and durable alloy, and the hardness is higher than that of the ordinary drill bit. Strong strength and wear resistance and provides a longer life.
• DRILL BIT INCLUDES - 4 x 6 mm (1/4"), 1 x 8 mm (5/16"), 1 x 10 mm (3/8"), 1 x 12 mm (1/2"), 1 x Transparent plastic box, provide you with different needs. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.
• WIDELY USAGE - Drill bits set is perfect for drilling in all kinds of materials inlcuding ceramic tile, concrete, tile, brick, wood, plastic, glass, masonry, and more. Note: When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.
• FEATURES - The drill bits openings are neat, smooth, and free of smashed edges will not cause tremors easy positioning can increased opening speed; U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill.
• If you have any problem about our "Drill Bit Sets", please contact us for a full refund or replacement.

Pulsar

• Wax Filled , Hex Shank , Dry use.

SabreCut

• SabreCut Extreme Professional Tile Bits Set
• Pack contains: 5mm x 91mm (1), 6mm x 100mm (2), 8mm x 117mm (1) & 10mm x 122mm (1)
• SabreCut Multi-Material tile bits are designed to drill through the toughest of materials such as Ceramic, Glass, Granite, Marble and Porcelain. In addition, they can also be used to drill through softer materials such as wood, brick and concrete
• Used correctly these bits will give you a nice clean precise hole for you to fix in to securely. The professional grade Carbide tip is designed to penetrate the hardest material quickly and the double flute helps remove the waste material efficiently
• The bit sizes supplied are suitable for all popular wall plug fixing solutions including red, brown, blue and grey plugs