Top Synthetic Diamond Core Bit Reviews

TOOLGAL Diamond Core Drill Bit 5" for Masonry - Wet Drilling of Concrete/Reinforced Concrete - Laser Welded Diamond Segmented - 11/4" UNC for Fixed or Hand-held core Drilling Machines

  • SPECIFICATIONS - This diamond core drill bit made of premium metal components and high quality diamond grits - Diameter: 5" - Useful length: 18.7” - For wet drilling ONLY - Max RPM 470..
  • SMOOTH FAST DRILLING - This premium core drill bit is produced specifically for wet drilling of concrete and reinforced concrete..
  • ENGINEERED FOR EXACT FITTING - With 11/4" UNC connection, this core drill bit allow easy and fast assmbling to common fixed core or hand-held drilling machines..
  • FOR THE PERFECT JOB EVERY TIME - The innovative design of this diamond core drill bit allows it high drilling performance while keeping a long lifetime. Whether you are a plumber, construction worker, or DIY enthusiast this segmented core drill bit is made for you..
  • TOOLGAL, A NAME YOU CAN TRUST - For over 50 years TOOLGAL has been a global leader of masonry diamond tools developing and manufacturing. When you buy this core drill bit or any other tool from TOOLGAL, you are purchasing it directly from the factory..
Check Stock

TOOLGAL Diamond Core Drill Bit 6 for Masonry - Wet Drilling of Concrete/Reinforced Concrete - Laser Welded Diamond Segmented - 11/4 UNC for Fixed or Hand-held core Drilling Machines

  • SPECIFICATIONS - This diamond core drill bit made of premium metal components and high quality diamond grits - Diameter: 6" - Useful length: 18.7” -....
  • SMOOTH FAST DRILLING - This premium core drill bit is produced specifically for wet drilling of concrete and reinforced concrete..
  • ENGINEERED FOR EXACT FITTING - With 11/4" UNC connection, this core drill bit allow easy and fast assmbling to common fixed core or hand-held drilling....
  • FOR THE PERFECT JOB EVERY TIME - The innovative design of this diamond core drill bit allows it high drilling performance while keeping a long....
  • TOOLGAL, A NAME YOU CAN TRUST - For over 50 years TOOLGAL has been a global leader of masonry diamond tools developing and manufacturing. When you buy....
Check Stock

DKIBBITH 1/4”Dry Diamond Drill Bits Set of 2 for Granite Ceramic Marble Tile Stone Glass Hard Materials, with 6mm Quick Change Hex Shank, Storage Case

  • Hex Shank 1/4”Dry Diamond Drill Bits: 2 Packs of 1/4” Dry Diamond Core Drill Bits (6mm), for drilling holes in tile, wall, floor to install popular size screws.
  • Perfect Holes in Tiles: Dry Diamond Core Bit set equipped with Vacuum Brazed Diamond Technology, able to drill clean holes in all types of tiles, porcelain, granite, ceramic, glass, marble, stone, masonry brick (not for wood).
  • Dry Drill Design: Each Diamond Drill Bit is integrated with wax lubricant inside.
  • it will melt and cool the bit tip to prevent diamond loss, which will help the bit last longer..
  • Precise and Sharp: Built with 1/4”Hex Quick Change Shank compatible with most popular Electric Drills, Bench Drills.
  • Depth mark on the side is useful for precise job.
  • First Class Customer Service: 2 Packs Diamond Drill Bits set coming in a case for easy access and safe storage.
  • if you need any assistance in using the item, please feel free to contact us.
Check Stock

Archer PRO 4\ in. Diamond Turbo Core Drill Bits for Concrete Drilling

  • ✔Size --1pc 1 3/8 inch core drill bit (35mm) ,diamond height 10mm, total length 100mm,diamond grit #25/35,working length 80mm,5/8-11 thread of the granite drill bit.
  • ✔Wide Application --Diamond drill bit are worked great for dry drilling holes through Granite Marble Hard Stone Reinforced Concrete Brick Block Counter Top,Using water could prolong the lifetime.
  • ✔Super Quality Raw Material --Using laser welded technology,improve the performance of segments,avoid segments off during drilling process.The vacuum brazing protective layer on the surface of the core steel offers clean cut & steel core protection.
  • ✔Fast and Smooth Drilling --Creates a fast and stable drilling, you could drill smoothly with no broken edges.
  • ✔Machine --angle grinder (Pay Attention! If you drill through thick granite ,we recommend you to add enough water to help cooling the bits,which could prolong the lifetime).
Check Stock

1 3/8 Diamond Hole Saw Core Heavy Duty Diamond Drill Bit Concrete Granite Quartz Porcelain Slab Countertops Ceramic Tile Brick Brazed with 5/8″-11 Thread 1-3/8 in

  • Heavy duty. pro grade, vacuum brazed diamond hole saw for quartz, granite, concrete, cinder block, brick drilling..
  • Diameter is 1-3/8 inch with 5/8 inch – 11 threaded connection, maximum depth of cut is 1-3/8 inches..
  • Diamond vacuum brazed commercial grade, long life diamond core drill bit hole saw. For heavy duty professional applications..
  • Tile core bits used with core hole drill tools with 5/8 inch -11 threaded angle grinder or other tools..
  • Commercial grade, professional quality heavy duty diamond bits for drilling stone, diamond hole saw bits, diamond drill bit for granite bits for drill.
Check Stock

Dry Diamond Drill Bits Set 1/4” Hex Shank Vacuum Brazed 6mm Hole Saws for Porcelain Granite Tile Ceramic Marble for Steady Grips in Most Popular Drills, 2 Packs in Individual Storage Cases

  • 1/4” Dry Diamond Drill Bits - Set of 2 Packs 6mm Vacuum Brazed Diamond Hole Saws for drilling holes in hard materials such as Granite, Porcelain, Tile, Ceramic, Marble, Stone, Glass, Brick.
  • Fit Universally – These Dry Diamond Core Drill Bits Built with 1/4” Hex Shank compatible with most hand-held drill, drill press and any other tools with chucks that accepts 1/4” Hex Shank bits.
  • Make Tough Jobs Easier – Diamond coated drill bit drilling through things like porcelain tile smoothly and easily without cracking or chipping the delicate materials.
  • starting the bit on an angle will prevent drill bit from “walking”.
  • For Professional & Hobby – Decent Diamond hole saws ideal for drilling holes through hard tile to install shower doors, drilling holes in ceramic plant pots vases glass bottles for hobby projects.
  • Convenient Dry Drilling – Wax Filled Diamond Core Bit with wax inside to cool the bit while dry drilling perfect for jobs where water is not applicable.
Check Stock

Diamond Beveling Chamfer Bit, Countersink Drill Bit for 0-2″ (50mm) Hole Enlarging Trimming in Porcelain, Ceramic Tiles W/ 5/8″-11 Thread for Angle Grinders & 3/8” Hex Shank Adapter for Drills

  • Must Have Tile Tool：This Diamond Chamfer Bit designed to Bevel, Enlarge Holes, Trim, Shape, Smoot Rough Cutting Surfaces in Porcelain, Hard Ceramic Tiles, Granite, Quartz and Marble Countertop and more.
  • Multi-Functional: The Diamond Cone Countersink Drill Bit equals a bunch of different sizes core bits.
  • with one core bit to start a hole, this bit can enlarge the hole into any size between 0 to 2inch (0~50mm).
  • Fit Angle Grinders & Electric Drills: The Diamond Chamfer Bit built with 5/8″-11 Thread for most Angle Grinders, and package also includes a 3/8” Hex Shank Adapter for most electric drills.
  • High Quality: This Diamond Hole Saw bit is heavily diamond coated, it can grind wet or dry, no chips, scratches or bumps, make beautiful holes.
  • recommend to do some test holes in scrap to get the feel for it.
  • Tips of Use: Grinding hard materials will produce a lot of dust and noise, use goggles, ear plugs, and vacuum with it.
  • whenever you have any question, please feel free to contact us.
Check Stock

Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling Triangle Shank 11pcs 6/8/10/20/25/28/32/35/50/65mm bits &2“ Chamfer bit

  • ✔Size Diamond drill bit -1/4" 5/16" 3/8" 4/5" 1-1/8" 1" 1-1/4" 1-3/8" 2" 2-4/7"（6/8/10/20/25/28/32/35/50/65mm bits &2“ chamfer bit）diamond height 10mm, total length 65mm,with Triangle Shank.
  • ✔Size Diamond chamfer bit :2" Inch (50mm), 50 mm workable length, Grit #80,with Hex Shank total lenght 70mm Top Angle 60 degree,.
  • ✔Wide Applications --Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. Using water could prolong the lifetime.
  • ✔Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform.
  • ✔Machine --Suitable for any electric drill,h....
Check Stock

8 Pack Diamond Drill Bits Set for Granite Ceramic Marble Tile Stone Glass Hard Materials, Integrated Coolant for Fast Dry Drilling, Size 3/16” 1/4” 5/16” 3/8” 1/2” in Storage Case, Round Shank

  • Full Size Set: 8 Packs of Dry Diamond Core Drill Bits 2 pieces of 3/16inch (5mm), 2 pieces of 1/4inch (6mm), 2 pieces of 5/16inch (8mm), 1 piece of 3/8inch (10mm) and 1 piece of 1/2inch (12mm).
  • Dry Drilling Design: Each Diamond Drill Bit is integrated with wax lubricant inside.
  • it will melt and cool the bit tip to prevent diamond loss, let the bit cool after each hole.
  • Clean Holes in Tiles: Dry Diamond Core Bit set equipped with Vacuum Brazed Diamond Technology, able to drill clean holes in all types of tiles, porcelain, granite, ceramic (not for wood).
  • Precise Design: Built with Round Shank compatible with most popular electric Drills, Angle Grinders, Bench Drills.
  • Special Side flutes design can remove debris faster.
  • First Class Customer Service: 8 Packs Diamond Drill Bits set coming in a heavy-duty case for easy access and safe storage.
  • if you need any assistance in using the item, please feel free to contact us.
Check Stock

Drilax 4 Inch Diamond Hole Saw Ceramic Porcelain Tile Quartz Granite Countertop Glass Bottle Super Long Life Vacuum Brazed Technology Single Pack Tile Drill Bit 4 inch

  • 4 inch super long life vacuum brazed diamond hole saw, tile drill bits, glass drill bits, ceramic drill bits for pots.
  • Standard 3/8 inch shank fits standard drill electric or cordless..
  • High quality, diamond drill bits, glass drill bit, hole saw drill bit diamond - DRILL THROUGH TILES and Backer Cement Board.
  • Extra long (tall) diamond drill bits for ceramic tile, diamond core bits for granite and quartz countertop.
  • Tall enough to go through 3cm thick countertops ceramic tile, diamond core bits for granite and quartz countertop.
Check Stock

TOMMARS Diamond Drill Bits Set 5 Piece Diamond Hole Saw for Tile Ceramic Marble Granite Ceramic Porcelain 1/4, 5/16, 3/8, 1/2 inch

  • Tech information: Diameter 1/4 inch(6mm), 5/16inch (8mm), 3/8inch (10mm) & 1/2 inch (12mm).
  • The tile drill bit set is equipped with a 1/4 inch hexagonal shank and is therefore compatible with all common drills & cordless screwdrivers..
  • Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface. This allows for longer drilling without much wear on larger projects..
  • Diamond core drill bit developed to drill in extremely hard materials such as tile, ceramic, marble, granite, ceramic, porcelain, etc..
  • Attention: Begin drilling approximately at a 45° ( between the hole saw and the working surface ) angle and only moderate pressure is good for the service life of the dry core bit..
Check Stock

3 inch concrete diamond hole saw - Granite Tile Masonry Stone Marble Wet Dry Core Drilling Coring Drill Bits by STADEA

  • Stadea 3 inch concrete masonry granite tile diamond hole saw bit core drill bit for stone coring core drilling cutting.
  • Wet Dry Drill/Core through Concrete, Granite, Masonry, Tile, Stone, Marble sharply with precision.
  • Aggressive and durable diamond segments, Segment Height 9 MM, Width 24 mm, Thick 3.5 mm.
Check Stock

Dry Type 2″ Diamond Dry Coring Bit – Concrete Core Drill by BLUEROCK Tools

  • 2″ Dry Type Diamond Core Bit BLUEROCK Tools Brand.
  • 2” Outside Diameter, Overall Length: 11″ Approximate, Inside Barrel Depth: 10″ or 255mm.
  • For concrete, asphalt, brick, stone, rock and tile masonry.
  • Ventilated and ribbed for efficient dry core drilling.
  • Our BLUEROCK brand core drills have a 1 1/4″ spindle. Please see the 1 1/4” to 5/8” adapter if using this bit with our core drill.  .
  • Rotary use only. Do not use a hammer action..
  • See our other listings for Dry Core Bit Sets and Z1 Core Drills.
Check Stock