Best Diamond Core Drill Bits
Best results for best diamond core drill bits
Concord Blades CBD04500HP 4-1/2 Inch Laser Welded Dry/Wet Diamond Core Drill Bit
$19.29
$26.23
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 1pc 1-3/8 inch vacuum brazed diamond drill Ccore bits for porcelain ceramic tile.
- Diameter 1-3/8 inch(35mm)
- Connection: 5/8-11 arbor
- Diamond height 15MM,Total height: 75MM.
- Machine: Angle Grinder； Remark: *Max working depth: 50mm*.
- Dry/wet drilling for porcelain tile marble stone masonry brick normal stone.
SHDIATOOL Diamond Core Drill Bits 1-3/8 Inch for Porcelain Ceramic Tile Marble Brick Vacuum Brazed Hole saw 35mm
$109.99
$158.39
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Wave design transfers energy to bit more effectively for up to 40 percent faster drilling versus previous design
- Carbide-tipped centering bit
- Asymmetrical carbide teeth for faster cutting, longer life
- All-in-one core transmits power directly to the end of the bit
- Maximum core size is 2-5/8 In. deep
Bosch HC8550 4 In. x 12 In. SDS-max Rotary Hammer Core Bit
$79.99
$105.59
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- #30/40 diamond grit for drilling soft brick, soft masonry, concrete block
- Diameter: 4 inches
- Thread: 5/8"-11 threaded
- Drilling depth: 9.5"
- High diamond concentration and quality guarantee longer coring life, solid poured concrete Not commended
Dry Drill Core Bits for Brick, Concrete Block, Masonry – 4" Diameter 5/8"-11 Threaded #30/40 Diamond Grit
Wet Drill Core Bits for Hard Concrete, Granite, Brick, and Block – 3" Diameter 1-1/4"-7 Threaded #30/40 Diamond Grits
$55.99
$69.43
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 3 Inch Diamond Concrete Core Drill Bit Hole Saw, 14 Inch long Designed for drilling Concrete, masonry, brick, stone, and other soft to medium hard materials
- High Frequency Welded Diamond Segments for joint strength needed to cut concrete and other soft to medium hard materials effectively
- 14" High tube length, with 5/8"-11 arbor
- Designed to cut in wet, for longer life span use wet
- 7 Pieces diamond Segments with high diamond concentration. each segment is 10 MM High, 3.5 MM thick and 24 MM wide
Stadea CBW111H 3 Inch Concrete Hole Saw Diamond Core Drill Bit For Concrete Brick Block Stone Masonry, Wet 5/8"-11 Threaded 14" High
$70.03
$85.44
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 10 mm segment height, 3.5mm Segment Width, 1-1/4" -7mm Arbor
- Use Wet Only
- This core bit is used for wet drilling on cured concrete with hard aggregate and medium to heavy steel reinforcement, and asphalt overlay on concrete
- Does not come with a pilot bit
- 14" tube length
Concord Blades CBW03000SP 3 Inch Wet Concrete Diamond Core Drill Bit
Toolocity CBKIT1Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits/Hole Saws, 4-Piece
DAMO 1/2 inch Dry Wet Diamond Core Drill Bit for Concrete Granite Marble Hole Saw
DAMO 1-1/2 inch Dry Wet Diamond Core Drill Bit for Concrete Granite Marble Hole Saw
$32.99
$38.27
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Stadea 3/4 inch diamond core drill bit for granite stone concrete tile masonry coring core drilling cutting
- Wet Dry Drill/Core through Granite, Marble, Tile, Stone, Porceline, Concrete, Masonry with precision
- Aggressive and durable diamond segments, Segment Height 9 MM, Width 24 mm, Thick 3 mm
- Optimal RPM 900
- Arbor 5/8" 11 T
3/4" stadea diamond core drill bits – For Granite Stone Concrete Coring Drilling
$32.99
$40.91
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Diameter is 1-3/8'',5/8''-11 thread install on polishers or grinders
- It is designed for dry drill core to granite on the job site
- Premium grade of diamond segment has high efficiency.it will be more aggressive and durable. Burn resistant braze on the wall tube can protect the substrate from cracking
- Drilling dozens of holes according to material
- Please add lubricants frequently to avoid sparks while using this product, can also enhance the working life by doing this
JDK 1-3/8” Dry Diamond Core Drill Bit 5/8′-11 Thread for Granite 35mm Masonry Coring
$10.45
$15.36
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 5 Mostly Used Sizes: 3/16, 1/4, 5/16, 3/8, 1/2 -High Quality Diamond Drilling Tool Set of
- Over 80% cost savings compared to big box stores. Use with standard electric or battery drillers.
- There is no need for a center pilot drill. These tools do not have center pilot drills.
- Do NOT run dry. These Diamond Coated Tools will work best if you use water to keep the tools cool.
- Shank sizes vary, maximum shank is 1/4 - suitable for all common electric drillers.
Drilax™ 5 Pcs Diamond Drill Bit Set 3/16", 1/4", 5/16", 3/8", 1/2" – Wet Use for Tiles, Glass, Fish Tanks, Marble, Granite, Ceramic, Porcelain, Bottles, Quartz – Lot 5 Diamond Coated Drills – Kitchen, Bathroom, Shower, Lamps Drilax050513
$28.99
$37.40
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Diameter is 1-3/8'',5/8''-11 thread install on polishers or grinders
- It is designed for dry drill core to granite on the job site
- High frenquency/Laser welded available
- Vacuum Brazed side protection offers clean cut & steel core protection.
- Use wet or dry drilling for stone, wet using will greatly prolong the segment life
1-3/8” Dry Diamond Core Drill Bit 5/8′-11 Thread for Granite 35mm Masonry Coring
$21.99
$26.61
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Diamond hole saw / core drill style bit.
- 10 Sizes: 6mm, 8mm, 10mm, 14mm, 16mm, 18mm, 22mm, 35mm. 40mm, 50mm
- Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone
- SPEED KILLS: Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
- Warrnings: Not for use on Concrete or for depths beyond about 1/2"
BLENDX Diamond Hole Saws Kit -Tile and Glass Hole Saws Cutting Drill Bits for Bottle, Ceramics, Porcelain 1/4" – 2" (6-50mm) – 10 Pack
$78.99
$93.21
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 6pcs/set Dry diamond drilling core bits(6mm 8mm 10mm 25mm 35mm 51mm)
- Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...
- *Diameter 6-16mm：35mm Max working depth, 10mm Diamond height, Total Length 62mm*
- *Diameter 19-152mm：50mm Max working depth, 15mm Diamond height, Total Length 75mm*
- *5/8"-11 Female Thread, Recommended Machine: angle grinder, If you fit them on electric drill or other machine, you need an adapter*
SHDIATOOL 6PCS Diamond Core Drill Bits Set for Porcelain Tile Granite Marble Stone Brick Vacuum Brazed Hole Saws 06 08 10 25 35 51mm
$7.99
$9.83
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- Diamond coating maximizes performance and retains a sharper cutting edge than traditional carbide or bimetal hole saws
- Side holes allow for easy slug removal after drilling
- 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
- 5pcs 12mm 1/2" Inch
1/2" Inch Diamond Drill Bit Hole Saw for Tile Glass Marble Granite Fiberglass Ceramic Tool (5 Pack)
$11.99
$15.11
Amazon.com
Last update was on: December 5, 2025 5:42 pm
- 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.
