Best Diamond Core Drill Bits. Our author do the research by analyzing testimonials, user or customer reviews and ratings from online shoppers, to help you as shopper to purchase wiser to avoid buyer’s remorse. Please review the product and choose wisely,

Our recommended list of the Best Diamond Core Drill Bits :


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

$9.99
$8.99
 in stock
Amazon.com
as of March 31, 2022 11:26 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.

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 March 31, 2022 11:26 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)

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

$13.99  in stock
Amazon.com
as of March 31, 2022 11:26 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.

SHDIATOOL Diamond Core Drill Bits 1-3/8 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 35mm

$38.41  in stock
3 new from $38.41
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • 1-3/8"(35mm) Laser Welded Diamond Dry Drilling Core Bits.
  • Diameter:35mm(1-3/8 inch), Total length: 100mm, Thread: 5/8"-11.
  • Dry or Wet Drilling - use wet will greatly prolong the segment life
  • Designed for drilling hard granite, marble, engineering stone, concrete, brick
  • Easily operate on Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank

1-3/8'' Dry Diamond Core Drill Bit 5/8'-11 Thread for Granite 35mm Masonry Coring

$34.99  in stock
Amazon.com
as of March 31, 2022 11:26 am

Features

  • 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

Dry Diamond Drill Bit Set,BGTEC 10pcs 1/4" 6mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard plastic,Vacuum Brazed Diamond Core Drill Bit Kit

$23.99  in stock
2 new from $23.99
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • diameter 6mm 1/4 Inch,diamond length 8mm,Round shank
  • Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic,All-Purpose Drilling
  • Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication.Special Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips
  • Dry drilling without water,Use water for longer time
  • Vacuum Brazed diamond technology provide very high efficiency,cuts faster,durable and sturdy

SHDIATOOL 6PCS Diamond Core Drill Bits Set for Porcelain Tile Granite Marble Stone Brick Vacuum Brazed Hole Saws 06 08 10 25 35 51mm

$88.48
$84.41
 in stock
3 new from $84.41
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • We could also ship these bits to from our own American warehose,about 1-6 business days without shipping fees
  • 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*

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 March 31, 2022 11:26 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

JINGLING 3 mm 1/8" inch Coated Diamond Hole Saw Core Drill Bit Masonry Drilling Cutter Tools for Glass Marble Tile Granite Stone Pack of 20Pcs

$13.99  in stock
2 new from $13.99
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • 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
  • NOT have center pilot drill;Start drill at 45 degree to surface and align to 90 degree as hole forms
  • Product Name: diamond hole saw, diamond drill bit for tile, hole saw ceramic tile

Wet Drill Core Bits for Hard Concrete, Brick, and Block - 2" Diameter 1-1/4"-7 Threaded #30/40 Diamond Grits

$59.99  in stock
2 new from $59.99
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • #30/40 diamond grit, designed for drilling hard concrete, masonry, hard brick, and other hard materials
  • Diameter: 2 inches
  • Thread: 1-1/4"-7 threaded
  • Drilling depth: 14"
  • Drilling method: WET only

FACHLICH Diamond Finger Bit 20mm Diamond Milling Bit for Enlarging and Shaping or Round Bevel Existing Holes in Porcelain,Hard Ceramic,Granite and Marble

$22.99  in stock
2 new from $22.99
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • Please make sure the seller is M&L DIY TOOLS before purchasing our brand FACHLICH.
  • Dimension: Diameter 20mm, 50mm workable length, Connection 5/8"-11 thread,Total Length: 65mm,Grit #50/60
  • Save your money: just one standard core bit plus one our finger bit, you can create many different hole sizes, without buying several different core bits.
  • Application: Versatile milling bits are designed to enlarge, shape and round bevel existing holes in Porcelain, Hard Ceramic, Granite and Marble and is also suitable to easily create round side indentation necessary to accomodate pipes or electric wire lines.
  • Attention: be not designed to make holes but be designed to shape and enlarge existing holes. Machine: any Standard Grinder, and can be used with or without water.

BLENDX Diamond Drill Bits - Glass and Tile Hollow Core Drill Bits Extractor Remover Tools Hole Saws for glass, ceramics, porcelain, ceramic tile, Pack of 10

$17.99  in stock
4 used from $13.75
Free shipping
Amazon.com
as of March 31, 2022 11:26 am

Features

  • 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"; Enough water is MUST HAVE for lubrication and cooling when drilling

Dry Diamond Drill Bits Set 6 PCs Small Diamond Hole Saw Kit for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood) Round Shank 1/4, 5/16, 3/8, 1/2, 9/16, 5/8 inch

$18.99  in stock
Amazon.com
as of March 31, 2022 11:26 am

Features

  • ✅【Package includes】6 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/4 inch(6mm), 5/16inch (8mm), 3/8inch (10mm), 1/2inch (12mm), 9/16inch (14mm) and 5/8inch (16mm); Sufficient quantity and multiple diameter specifications can meet your different 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.

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

$12.99  in stock
Amazon.com
as of March 31, 2022 11:26 am

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".

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Last updated on March 31, 2022 11:26 am

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