Best Diamond Hole Saws in 2026

Vacuum-brazed diamond grit cuts faster and lasts longer

Segmented teeth reduce debris and heat

Remove material plugs quickly, easily

Best Choice - The hole saw is engineered for drilling small diameter holes in many non-metallic materials. When you need to make a precise cut in a hurry, this diamond grit hole saw is the ideal solution in the toughest of cutting situations.

Smooth Surface Finish - When cutting glass and porcelain, a smooth surface finish is key! This is why our hole saws are the perfect choice. The diamond grit provides a superior finish, ensuring that your installation looks great.

Outstanding Performance - Kitchen and bathroom installations can be tricky, but with our hole saws it's easy! They're small in diameter, making them perfect for those hard to reach places.

Premium Quality Diamond Hole Saw Triple-Layer Diamond Coating for Enhanced Performance, 2 1/2" Outer Diameter

Clean, Precise, Fast, and Dustless Cuts Every Time Standard 3/8" Shank for Standard Drills - No Special Tools Needed

Wet Use with Water for Cooling Drills Through Quartz, Granite, Porcelain, Ceramics, Tiles, Glass, Marble, and Stoneware

SIZE - 12mm(0.55-inch) Drilling Diameter, 6.5mm(0.26-inch) Shank Diameter. The hole saw achieves high precision and smooth cuts without edge breakage, with good toughness and high strength.

DIAMOND COATED - Diamond coating enhances the drilling speed, which makes the bit more sharp.Electroplated diamond is uniform and more wear-resistant.

NICKEL PLATED SURFACE - Nickel plating surface can extend the service life and enhance the surface corrosion resistance. Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws.

The diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite

Hole/outer diameter: 75mm(3" inch); Inner Diameter: 72.3mm; Drill depth: 25mm (1")

Use with water as a lubricant, holes require No futher work as cutting is clean

Package Content : 1 x Diamond Drill;

Hole Saw Diameter: 13 mm / 1/2 Inch;

Shank Bit Size: 19 x 7.3 mm (L * D); Total Length: 50 mm / 1.97";

DRILL HOLES in glass bottles, porcelain ceramic tiles, plant pots, fish tanks, granite, marble with diamond coated drill bit hole saw.

GREAT for making wine bottles with light strings. Can also drill through glass blocks. You can drill through bath tub tile, and put on a handle bars. Aquarium drill bit for overflow installation.

WORKS with STANDARD electric, cordless or upright drill presses. Shank size is 3/8 inch.

1pc 25mm Vacuum Brazed Diamond finger bits Milling bits for tile, stone,

25MM Diameter, 50MM workable length, 5/8-11 Thread, Grit #50/60, toal Length 65MM

Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite

HIGH QUALITY, DURABLE Diamond Coated Holesaw Tool 3 inches Diameter

Solid Steel Body: Spins True, Cools Better, Lasts Longer Standard 3/8" Shank for Drills - No Special Tools Needed

Includes 3 inch Hole Saw Template for Securing the Tool and Holding Water. Clamp the Template to the Surface and Drill Through.

Each LENOX hole saw has a continuous, brazed edge that lasts longer in tile and stone

The diamond-tip hole saw uses a low-torque design that requires little pressure for fast cutting

An over-sized slot in the LENOX Diamond hole saw allows for easy plug removal

The hole saw alloy teeth are made of high-strength tungsten-cobalt alloy and have a sharper shape design. Hole saws have better hole opening efficiency.

The surface of the carbid hole saw is smooth: the waste is easier to remove when opening, and the operation is more stable and the opening effect is better.

It can be used to open self leveling concrete, hollow brick, cement wall, concrete wall, red brick etc. when installing air conditioners, water pipes, water heaters, fume pipes, sewers, etc.

This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer

Can be used with a standard electric drill(Excluding in this item)

Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole

DUSTLESS and FAST Large Size Drilling for Floor, Wall Tiles, Toilet Cutout, Shower Diverter Valves. 4 inch Diamond Hole Saw Drill Bit

This tool is exactly 4 inches in diameter, not 100mm. Shank is 3/8 inch for standard cordless, electric drill chucks and upright.

No need for a grinder anymore. Use wet with water. Not for dry use. Cuts Through Quartz, Ceramic, Porcelain, Glass, Tiles, Granite. Drilling Depth 1-1/8 inches.. Increased Body Height for Deeper Cuts Clean, Precise, Fast, and Dustless Cuts Every Time

SIZE - 65mm(3.56-inch) Drilling Diameter, 10mm(0.4-inch) Shank Diameter. The hole saw achieves high precision and smooth cuts without edge breakage, with good toughness and high strength.

DIAMOND COATED - Diamond coating enhances the drilling speed, which makes the bit more sharp.Electroplated diamond is uniform and more wear-resistant.

NICKEL PLATED SURFACE - Nickel plating surface can extend the service life and enhance the surface corrosion resistance. Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws.

Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks

Outer Diameter : 100mm(4 inch); Inner Diameter: 96.8mm; Drill Depth: 29mm

Excellent for making clean and accurate hole on stone, granite, marble, tile, glass

It is a versatile milling bit designed to enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, Granite and Marble.and it's also suitable to easily create round side indentation necessary to accomodate pipes or electric wire lines.

It can be used with any 5/8"-11 Thread standard grinder.

This is a save money tool because with just one standard core bit and this finger bit you are able to create many different hole sizes, without needing to buy several different core bits.

1-3/4 inch Diameter Diamond Hole Saw - DUSTLESS - CLEAN - FAST DRILLING for DIY Kitchen, Bathroom, Shower, Faucet Installation Projects

STANDARD 3/8 Shank for Standard Electric or Cordless Drills. Depth of Cut is 1-1/8 inch

Solid Steel Body: Spins True, Cools Better, Lasts Longer

Each Tile Hole Saw with a Removable Center Pilot Drill Bit - No Special Guiding Tools Needed

4 inch/100mm Diamond Hole Saw with Triple-Layer Diamond Coating for Enhanced Performance

Cutting Depth: 1 1/2 inch - Increasing Hole Saw Body Height for Deeper Cuts

Package Includes: 2 x 1 inch diamond hole saw, 25mm diamond-coated hole saw, suitable for drilling holes in glass, marble, pocelain, fiberglass, slate, light stone, ceramic tiles or granite

Cutting Hole Diameter: 1" / 25mm; Cutting Depth: 1.1" / 28mm; Shank Diameter: 0.31" / 8mm; Shank Height: 1" / 25mm

High-Performance Materials: The glass hole cutter is made of high-quality iron alloy, which is very sturdy and durable. At the same time, the surface is nickel-plated, which has good rust resistance, corrosion resistance and prolonged service life

1.5 inch Diamond Hole Saw with Triple-Layer Diamond Coating for Enhanced Performance

Solid Steel Body: Spins True, Cools Better, Lasts Longer

Clean, Precise, Fast, and Dustless Cuts Every Time

Package Includes: 1 x 3 inch diamond hole saw, 75mm diamond-coated hole saw, suitable for drilling holes in glass, marble, pocelain, fiberglass, slate, light stone, ceramic tiles or granite

Cutting Hole Diameter: 3" / 75mm; Cutting Depth: 1.1" / 28mm; Shank Diameter: 0.35" / 9mm; Shank Height: 1" / 26mm

High-Performance Materials: The glass hole cutter is made of high-quality iron alloy, which is very sturdy and durable. At the same time, the surface is nickel-plated, which has good rust resistance, corrosion resistance and prolonged service life

Hole Diameter: 3mm (close to 1/8"); Total length:50mm (close to 2"); Drill depth:5mm(3/16")

The diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite

Use with water as a lubricant, holes require No futher work as cutting is clean

Product Name : Glass Hole Saw;Main Material : Metal

Cutting Hole Diameter : 8 mm / 5/16";Shank Size (Approx.) : 18 x 5 mm / 0.7" x 0.2" (L*D)

Total Length : 51 mm / 2";Color : Silver Tone

DUSTLESS and FAST Large Size Drilling for Floor, Wall Tiles, Toilet Cutout, Shower Diverter Valves. 4-1/8 inch Diamond Hole Saw Drill Bit

CLEAN PROFESSIONAL Holes in Tiles, Glass, Fish Tanks, Marble, Granite Countertop, Ceramic, Porcelain

Use water as coolant to prolong the tool life. DESIRED RESULTS in Granite, Ceramic & Porcelain Tiles, Glass, Marble, Slate, and many types of Stones. No need for a pilot drill.

Premium Quality Diamond Hole Saw Drill Bit Tool 1-1/4 inches Diameter

Triple-Layer Diamond Coating for Enhanced Performance, Standard 3/8" Shank for Standard Drills - No Special Tools Needed

SOLID STEEL BODY Spins True, Cools Down Easier, Holds Up Better

SIZE - 5mm(1/5-inch) Drilling Diameter, 4.5mm(0.18-inch) Shank Diameter. The hole saw achieves high precision and smooth cuts without edge breakage, with good toughness and high strength.

DIAMOND COATED - Diamond coating enhances the drilling speed, which makes the bit more sharp.Electroplated diamond is uniform and more wear-resistant.

NICKEL PLATED SURFACE - Nickel plating surface can extend the service life and enhance the surface corrosion resistance. Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws.

APPLICATION: Use this to drill holes through hard materials like tile, stone, or glass

EJECTION SLOT: Easy plug removal is available via the onboard ejection slot, which lets you fit tools inside to take out chunks of tile clogging up your system

DIAMOND PLUS: High grade diamonds provide superior durability for long term use on industrial jobsites

Tungsten carbide-tipped cutting edges last longer and can be run at higher rates and speeds, cutting diameter is 32mm(1-1/4"), effective depth is 25mm(1”).

Well made of high speed steel, with extremely sharp blade, low consumption and durable, provided impact resistance, wear resistance.

Edge coated with diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut without broken.

This Carbide grit hole saw bit includes 4” 102mm hole saw cutter, 1 of 0.43”(11mm) hex shank mandrel, 1 of 3.5”(89mm) carbide tipped pilot drill bit , Extra 1 of 3m tape measure.

This Carbide hole saw bit is your ideal choice for Hardy Plank, Drywall, fiber cement siding , backer board, stucco, Plasterboard

Max cutting depth: 1-1/2” (38mm)

Product Name:Lapidary Diamond Drill Bits，Gemstone Drill Bits.

Head Diameter:1.5mm, Drilling depth:6mm depth,Quantity:Total 30 Pcs

Shank diameter: 3/32 in(2.35mm); Suitable for electric grinder, carving machine with a 3/32" collet.