Our Recommended 10 best drill bit for granite rock in Online

If you’re looking for the best drill bit for granite rock, then you’ll want to read our review before making your purchase. We’ll tell you what to look for in a drill bit, and what to avoid. We’ll also give you a few tips on how to get the most out of your drill bit.

Bestseller No. 1
Dry Diamond Drill Bit Set,BGTEC 5pcs 6mm 6mm 8mm 10mm 12mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard plastic,Vacuum Brazed Diamond Core Drill Bit Kit
  • diameter 6mm, 8mm, 10mm, 12mm, 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
Bestseller No. 2
Dry Diamond Drill Bits Set 3 Packs for Granite Porcelain Tile Ceramic Marble Size 1/4“ (6mm), 5/16” (8mm), 3/8” (10mm), with Quick Change 1/4” Hex Shank and Storage Cases
  • Universal 1/4 inch Hex Shank -- fit a variety of quick-change chucks, drills or drivers; Add Versatility to Your Tools, including 3 sizes of Dry Diamond Core Drill Bits for drilling holes with Diameter of 1/4“ (6mm), 5/16” (8mm) and 3/8” (10mm)
  • 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.
  • Details -- Diamond coating enhances the drilling speed; Depth mark useful for precise project; Including portable storage cases for convenient use and store.
  • Worry Free -- If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service.
SaleBestseller No. 3
Diablo by Freud DMARG1220-S5 5 pc SPEEDemonâ„¢ Red Granite Carbide Tipped Hammer Drill Bit Set (5-Piece)
  • 5-Piece Set Offers 30% in Savings
  • Diablo made carbide tip withstands impact and high heat applications for superior life versus standard masonry hammer drill bits
  • Multi-ground Grip Point Tip delivers stability and accuracy required for fast, precise holes. More holes per charge in cordless impact and drill drivers. Maximum performance in hammer or rotary drilling applications.
  • Hi-performance brazing and hardening process extends life of carbide tip and increases productivity. Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability.
  • Set features 5 bits: (1) 5/32” x 4” x 6”, (1) 3/16” x 4” x 6”, (1) 1/4” x 4” x 6”, (1) 5/16” x 4” x 6”, (1) 3/8” x 4” x 6”
Bestseller No. 4
6 Pcs Stone Splitter and 1 Pcs Rotary Hammer Drill Bit Wedge and Feather Shims Concrete Marble Granite Rock Stone Splitting Hand Tools (9/16" (14mm))
  • High-quality steel, heat treatment process, High hardness, toughness.
  • 100% brand new and high quality, Material: Metal.
  • Size: 14 x 125mm/0.55 x 4.92 inch, Used to split the hard stone,rock,Granite,concrete
  • Fit hole diameter 9/16"
  • Easy to use.Rotary Hammer Drill Bit has 4-flute design for fast dust removal.
SaleBestseller No. 5
Stone Splitting Hand Tools Kit, 6 pcs Stone Splitters, 200mm SDS Plus Rotary Hammer Drill Bit, 5/7''(18mm) Plug Wedges Feather Shims Tools for Granite Rock Concrete Marble Splitting
  • Stone splitter size: 18mm x 105mm; Drill bit size: 18mm x 200mm
  • Fit hole diameter 5/7''
  • The drill bit is with 4-flute design and SDS plus shank.
  • Made of hardness steel material
  • Widely used to split the hard stone, rock, Granite, concrete, etc
Bestseller No. 6
JINGLING 13mm 1/2" Diamond Hole Saw Drill Bit Coated Masonry Tools for Rocks Stone Glass
  • Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks
  • Outer Diameter : 13mm(1/2 inch); Inner Diameter: 10.3mm; Drill Depth: 29mm
  • Excellent for making clean and accurate hole on stone, granite, marble, tile, glass
  • Please add water for coolant and drill slowly; Holes require no ruther work as cutting is clean
  • NOT have center pilot drill, 5/16 inch hex shank will fit handheld or upright drillers
Bestseller No. 7
Jashtool Diamond Drill Bits 3 PCS Ceramic Diamond Hole Saw Set 6mm 8mm 10mm 1/4 5/16 3/8 inch with Wax Insert Cooling for Ceramic Tile Porcelain Marble Granite Stone Rock Glass
  • DIAMOND DRILL BITS --- Equipped with Diamond, Which is Hard Enough and Can Be Used for Ceramic, Porcelain, Tile, Granite, Marble, Etc.
  • 3 PCS --- This Drill Bit Set Includes 3 PCS and The Hole Diameter is 6mm, 8mm and 10mm (Approx.1/4 5/16 3/8 inch). Different Size to Choose.
  • COOLING WAX INSIDE --- Wax Are Inserted to The Drill Bit for Cooling and Lubrication, So You Can Drill Holes without Adding Water. Also, Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips.
  • DURABLE --- Made of Nickel & Steel, Which is Durable and Can Be Used for Long Time. The Shanks are Triangle That Can Be Gripped Tightly, So It Won't Slip out Easily. Can Be Used with 10mm (3/8 in) Hand Drill, Bench Drill.
  • PACKAGE --- Package Includes 3 PCS Diamond Drill Bit and Use Manual. If You Have Any Question, Please Contact Us.
SaleBestseller No. 8
SI FANG 1Pc 1-1/4 inch Diamond Drill Bit,Diamond Hole Saw Wet Drilling Core Drill Bits Extractor Remover Tools for Granite Stone Rebar Rocks Marble(32mm)
  • ▲【High Quality】Diamond coating enhances the drilling speed, which makes the bit more sharp; These hole saws feature thicker walls to minimize loss and improve durability
  • ▲【Feature】10 Percent Longer (deeper) Than Most Product . You Can Drill Through Thicker Materials With Our Tools With Hard And Sharp Material To Cut Faster Than Previous Hole Saws. Drilling Stably, Fast Speed, Not Breaking The Border, To Prolong Its Using Life
  • ▲【Precautions】Use water to cool the drill bit to avoid burns to the cutter head. The effect of not adding water is worse than the effect of adding water. The operation should be stable when drilling, do not bend and shake to advance
  • ▲【General Usage】Used for drilling holes in materials such as marble, concrete, ceramics, granite, etc., with fast drilling speed, no edge collapse, long service life, round aperture
  • ▲【Dimension】Material: Metal, Diamond,Hole Saw Size:32mm,Applicable Rotate Speed: 800-1000 rpm,Color: Gold
SaleBestseller No. 9
Bosch NS2000 Carbide Tipped Drill Bit Set for Drilling Natural Stone, Granite, Slate, Ceramic and Glass Tiles, Easy Application with No Water Needed (4-Piece Set)
  • MULTI PURPOSE: For Drilling in Harder Tile, Natural Stone, Slate, Granite Tiles
  • FLEXIBLE: Designed for Rotary Drills; Compatible with Hammer Drills
  • EASE OF USE: Easy Application with No Water Required, Fast Clean-Up
  • UNIQUE: Special Carbide Tip with No-Skate Center; Multiple Cutting Edges
  • EFFICIENT: Offers up to 20% Faster Drilling in Hard Materials Compared to Glass and Tile Bits
Bestseller No. 10
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
  • ✅【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.

23 best drill bit for granite rock Reviews

Bestseller No. 1
Dry Diamond Drill Bit Set,BGTEC 5pcs 6mm 6mm 8mm 10mm 12mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard plastic,Vacuum Brazed Diamond Core Drill Bit Kit
  • diameter 6mm, 8mm, 10mm, 12mm, 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
Bestseller No. 2
Dry Diamond Drill Bits Set 3 Packs for Granite Porcelain Tile Ceramic Marble Size 1/4“ (6mm), 5/16” (8mm), 3/8” (10mm), with Quick Change 1/4” Hex Shank and Storage Cases
  • Universal 1/4 inch Hex Shank -- fit a variety of quick-change chucks, drills or drivers; Add Versatility to Your Tools, including 3 sizes of Dry Diamond Core Drill Bits for drilling holes with Diameter of 1/4“ (6mm), 5/16” (8mm) and 3/8” (10mm)
  • 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.
  • Details -- Diamond coating enhances the drilling speed; Depth mark useful for precise project; Including portable storage cases for convenient use and store.
  • Worry Free -- If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service.
SaleBestseller No. 3
Diablo by Freud DMARG1220-S5 5 pc SPEEDemonâ„¢ Red Granite Carbide Tipped Hammer Drill Bit Set (5-Piece)
  • 5-Piece Set Offers 30% in Savings
  • Diablo made carbide tip withstands impact and high heat applications for superior life versus standard masonry hammer drill bits
  • Multi-ground Grip Point Tip delivers stability and accuracy required for fast, precise holes. More holes per charge in cordless impact and drill drivers. Maximum performance in hammer or rotary drilling applications.
  • Hi-performance brazing and hardening process extends life of carbide tip and increases productivity. Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability.
  • Set features 5 bits: (1) 5/32” x 4” x 6”, (1) 3/16” x 4” x 6”, (1) 1/4” x 4” x 6”, (1) 5/16” x 4” x 6”, (1) 3/8” x 4” x 6”
Bestseller No. 4
6 Pcs Stone Splitter and 1 Pcs Rotary Hammer Drill Bit Wedge and Feather Shims Concrete Marble Granite Rock Stone Splitting Hand Tools (9/16" (14mm))
  • High-quality steel, heat treatment process, High hardness, toughness.
  • 100% brand new and high quality, Material: Metal.
  • Size: 14 x 125mm/0.55 x 4.92 inch, Used to split the hard stone,rock,Granite,concrete
  • Fit hole diameter 9/16"
  • Easy to use.Rotary Hammer Drill Bit has 4-flute design for fast dust removal.
SaleBestseller No. 5
Stone Splitting Hand Tools Kit, 6 pcs Stone Splitters, 200mm SDS Plus Rotary Hammer Drill Bit, 5/7''(18mm) Plug Wedges Feather Shims Tools for Granite Rock Concrete Marble Splitting
  • Stone splitter size: 18mm x 105mm; Drill bit size: 18mm x 200mm
  • Fit hole diameter 5/7''
  • The drill bit is with 4-flute design and SDS plus shank.
  • Made of hardness steel material
  • Widely used to split the hard stone, rock, Granite, concrete, etc
Bestseller No. 6
JINGLING 13mm 1/2" Diamond Hole Saw Drill Bit Coated Masonry Tools for Rocks Stone Glass
  • Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks
  • Outer Diameter : 13mm(1/2 inch); Inner Diameter: 10.3mm; Drill Depth: 29mm
  • Excellent for making clean and accurate hole on stone, granite, marble, tile, glass
  • Please add water for coolant and drill slowly; Holes require no ruther work as cutting is clean
  • NOT have center pilot drill, 5/16 inch hex shank will fit handheld or upright drillers
Bestseller No. 7
Jashtool Diamond Drill Bits 3 PCS Ceramic Diamond Hole Saw Set 6mm 8mm 10mm 1/4 5/16 3/8 inch with Wax Insert Cooling for Ceramic Tile Porcelain Marble Granite Stone Rock Glass
  • DIAMOND DRILL BITS --- Equipped with Diamond, Which is Hard Enough and Can Be Used for Ceramic, Porcelain, Tile, Granite, Marble, Etc.
  • 3 PCS --- This Drill Bit Set Includes 3 PCS and The Hole Diameter is 6mm, 8mm and 10mm (Approx.1/4 5/16 3/8 inch). Different Size to Choose.
  • COOLING WAX INSIDE --- Wax Are Inserted to The Drill Bit for Cooling and Lubrication, So You Can Drill Holes without Adding Water. Also, Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips.
  • DURABLE --- Made of Nickel & Steel, Which is Durable and Can Be Used for Long Time. The Shanks are Triangle That Can Be Gripped Tightly, So It Won't Slip out Easily. Can Be Used with 10mm (3/8 in) Hand Drill, Bench Drill.
  • PACKAGE --- Package Includes 3 PCS Diamond Drill Bit and Use Manual. If You Have Any Question, Please Contact Us.
SaleBestseller No. 8
SI FANG 1Pc 1-1/4 inch Diamond Drill Bit,Diamond Hole Saw Wet Drilling Core Drill Bits Extractor Remover Tools for Granite Stone Rebar Rocks Marble(32mm)
  • ▲【High Quality】Diamond coating enhances the drilling speed, which makes the bit more sharp; These hole saws feature thicker walls to minimize loss and improve durability
  • ▲【Feature】10 Percent Longer (deeper) Than Most Product . You Can Drill Through Thicker Materials With Our Tools With Hard And Sharp Material To Cut Faster Than Previous Hole Saws. Drilling Stably, Fast Speed, Not Breaking The Border, To Prolong Its Using Life
  • ▲【Precautions】Use water to cool the drill bit to avoid burns to the cutter head. The effect of not adding water is worse than the effect of adding water. The operation should be stable when drilling, do not bend and shake to advance
  • ▲【General Usage】Used for drilling holes in materials such as marble, concrete, ceramics, granite, etc., with fast drilling speed, no edge collapse, long service life, round aperture
  • ▲【Dimension】Material: Metal, Diamond,Hole Saw Size:32mm,Applicable Rotate Speed: 800-1000 rpm,Color: Gold
SaleBestseller No. 9
Bosch NS2000 Carbide Tipped Drill Bit Set for Drilling Natural Stone, Granite, Slate, Ceramic and Glass Tiles, Easy Application with No Water Needed (4-Piece Set)
  • MULTI PURPOSE: For Drilling in Harder Tile, Natural Stone, Slate, Granite Tiles
  • FLEXIBLE: Designed for Rotary Drills; Compatible with Hammer Drills
  • EASE OF USE: Easy Application with No Water Required, Fast Clean-Up
  • UNIQUE: Special Carbide Tip with No-Skate Center; Multiple Cutting Edges
  • EFFICIENT: Offers up to 20% Faster Drilling in Hard Materials Compared to Glass and Tile Bits
Bestseller No. 10
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
  • ✅【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.
SaleBestseller No. 11
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
  • Add Versatility to Your Tool: 5 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/4 inch(6mm), 5/16inch (8mm), 3/8inch (10mm) 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
Bestseller No. 12
Soft Baseball Cap Custom Personalized Text Cotton Dad Hats for Men & Women Buckle Closure Black
  • PREMIUM QUALITY: Add a classic touch to your outfit with our 100% cotton 6 panels low-profile unstructured baseball hat that provides maximum comfort. Fits men and women!
  • METAL BUCKLE CLOSURE: Our hats for women and men feature a solid metal buckle closure in the back letting you easily adjust the size for a perfect fit.
  • PRE-CURVED BILL: Our mens hats and womens hats feature a well-made pre-curved bill to protect you from the sun and prevent dazzle. You can now play your favorite sport without being bothered by the sun!
  • ANTI-SWEAT BAND: Stay fresh and dry with our golf hat featuring an anti-sweat band. Exercise and play your favorite sports without having sweat running consistently into your eyes anymore!
  • AMERICAN CUSTOM EMBROIDERY: We take proud on being an American company and we bring you the best of custom and personalized embroidery. Simply select the color of your sun hat, and then customize it with your own text and words. Choose among a wide range of fonts and colors!
Bestseller No. 13
ArcherPRO 1-1/2” x 21" Inch SDS Max Drill Bit for Fast Concrete and Rock Drilling. SDS Max drill bits with carbide tip for concrete and stone, hammer drill bits for demolition. Rotary hammer drill bits for masonry, granite, brick, concrete and stone drilling. Perfect for use with Dexpan expansive demolition grout. (1.5" x 21")
  • HIGH QUALITY 🏆 4-cutter carbide tips, more aggressive than regular 2-cutter bits.
  • SDS MAX BIT 💪 Tough steel bit with carbide tips are capable of drilling through some of the toughest materials, including brick, concrete, tile, marble and stone – even granite!
  • HAMMER DRILL BITS ✔️ American designed for high performance and long life at an affordable price.
  • ROTARY HAMMER BIT 👷‍♂️ Ideal for both professional contractors and DIY home users.
  • CONCRETE AND ROCK DRILLING 👍 Features the SDS Max standard shank size, ideal for use with Dexpan.
SaleBestseller No. 15
Diablo 1/4" x 4"x6" SPEEDemon Red Granite Carbide Tipped Hammer Drill Bit (5Pk)
  • Diablo made carbide tip withstands impact and high heat applications for superior life versus standard masonry hammer drill bits
  • Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength and durability
  • More holes per charge in cordless impact and drill drivers
  • Maximum performance in hammer or rotary drilling applications
SaleBestseller No. 16
DEWALT Masonry Drill Bit Set, Percussion, Concrete & Block, 7-Piece (DW5207)
  • 2 cutter carbide tip of masonry drill bit set maximizes carbide surface contact for longer bit life.
  • Four flute design cleans debris out for fast, efficient drilling
  • Three flats on shank eliminate bit slipping in chuck (except DW5232, DW5233, DW5237, DW5238)
  • Rock carbide tip maximizes carbide surface contact for longer bit life
  • Four-flute design cleans debris out for fast, efficient drilling
Bestseller No. 17
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;
Bestseller No. 18
6 PCS Diamond Core Drill Bits Set Tile Hole Saws 1/4” to 1-1/2” for Granite Quartz Porcelain Tile Marble with 3/8” Hex Shank Adapter Fit Angle Grinders & Drills, 6 8 10 32 35 38mm
  • Set of 6 Pieces - Dry diamond drilling core bits set including 6 different sizes 1/4”, 5/16”, 3/8”, 1-1/4”, 1-3/8” and 1-1/2” Diameter (6mm 8mm 10mm 32mm 35mm 38mm) and a 3/8” Hex Shank Adapter in a convenient carrying case
  • Tough and Durable - Vacuum Brazed Diamond Hole Saws ideal for Dry/wet drilling in Granite Quartz Porcelain Tile, Marble, Stone countertops, Masonry, Brick and more hard materials
  • Work with Both Angle Grinders and Electric Drills - All the bits built with 5/8"-11 Female Thread compatible with most popular brand Angle grinders. A 3/8” Hex Shank Adapter also included to fit them on electric drills or other machines
  • Professional Finish and Threading – 6 sizes diamond hole saws are the best for cutting the perfect size holes through cement board, granite and porcelain tiles for faucet mount, garbage disposal button, soap dispenser, filtered water and other projects
  • How to cut perfect holes? - Start at an angle, around 45 degrees, cut at a low to medium rpm, cool the cutting area with water, use a sponge to control the amount of water; wash the bits right after to avoid building up with material. Please contact support if you need anything
Bestseller No. 19
Zeliceka 7Pcs Dry Diamond Drill Bits Set for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood) Round Shank Small Diamond Hole Saw Kit 1/5, 1/4, 5/16, 3/8, 1/2, 9/16, 5/8 inch
  • ✅【Package includes】7 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 1/5 inch (5mm) 1/4 inch (6mm), 5/16inch (8mm), 3/8inch (10mm), 1/2inch (12mm), 9/16inch (14mm) and 5/8inch (16mm)
  • ✅【Wet and dry use】Diamond tile drill bits integrated with wax lubricant inside, which can melt while dry drilling and cool the cutting surface; Wet and dry use,Water can be used as additional cooling to prolong the life of the bit
  • ✅【Apply to】Diamond tip drill bits made of carbide designed for porcelain, ceramic, granite, marble, masonry, concrete, various types of tile and stone, Note: not for wood
  • ✅【Adaptation Tool】Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill; There are depth markings on the diamond drill bits, useful for accurate measurement
  • ✅【Easy to Carry】 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
SaleBestseller No. 20
Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone
  • 【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.

Things to Consider Before Buying the drill bit for granite rock:

When it comes to drill bits, there are a lot of different materials to choose from. But if you’re looking for the best drill bit for granite rock, then you’ll want to make sure you get one made of tungsten carbide.

Tungsten carbide is one of the hardest materials available, and it’s also very resistant to heat. That makes it ideal for drilling through granite, which can be a very tough material to drill through.

There are a few things to keep in mind when you’re looking for the best tungsten carbide drill bit for granite. First, you’ll want to make sure the bit is the right size for the job. If you’re drilling through a very thick piece of granite, you’ll need a larger bit.

Second, you’ll want to make sure the bit is sharp. A dull bit will just bounce off the granite, and you won’t make much progress.

Third, you’ll want to make sure the bit is long enough to reach the depth you need to drill. If you’re only drilling a few inches into the granite, you won’t need a very long bit. But if you’re drilling several feet, you’ll want a longer bit so you don’t have to stop and start your drill every few inches.

Finally, you’ll want to make sure the bit has a good warranty. Tungsten carbide is a very tough material, but it can break if it’s not used properly. So you’ll want to make sure the company you buy from offers a good warranty in case your bit breaks.

Follow these tips and you’ll be sure to find the best tungsten carbide drill bit for granite rock.

Conclusion

There is no one definitive answer to the question of what is the best drill bit for granite rock. However, there are certain factors that you should consider when making your decision. The type of granite, the hardness of the rock, and the type of drilling you plan to do are all important factors to consider. With that said, here are three drill bits that are commonly used for drilling into granite rock:

1. Carbide-tipped drill bits – These bits are designed specifically for drilling into hard materials like granite. They are very sharp and can quickly drill through even the hardest granite rocks.

2. Diamond drill bits – These bits are also designed specifically for drilling into hard materials. However, they are even sharper than carbide-tipped bits and can drill through granite much faster.

3. Titanium drill bits – These bits are not specifically designed for granite, but they can still do a good job of drilling through it. Titanium bits are very strong and can stand up to the rigors of drilling into hard rock.

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