Best Core Drill Bits 2025

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Last Updated - 11.09.2025

Best Choice

01

BRSCHNITT

BRSCHNITT Diamond Core Drill Bit Set - Tile Hole Saw Kit for Porcelain Ceramic Marble Granite Treble (6/6/8/20/25/35/50/68/110 Drill + 20 Fingers + 50 Chamfer Bit + 125 Grind Disc).

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

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
Size diamond drill bit -(6/6/8/20/25/35/50/68/110) diamond height 10mm, total length 65mm
Size diamond chamfer bit :2 Inch (50mm), 46mm workable length, M14 Thread, Grit #80, total Length 55mm,Top Angle 60 degree
Machine --angle grinder (direct connection) or electric drill (with adapter)

159,99 €
02

BRSCHNITT

Diamond Core Drill Bit Set for Porcelain Tile Ceramic Marble Granite Drilling, BRSCHNITT 6 8 10 20 25 35 38 50 68 mm Vacuum Brazed Diamond Hole Saw with M14 Thread

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide application of drill bit --Worked great for porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime
Wide application of blade --A blade engineered for extremely smooth cutting of porcelain tile, ceramic tile, marble, granite, masonry and other natural stone
Size diamond drill bit--(6 8 10 20 25 35 38 50 68mm), diamond height 10mm, total length 60mm, M14 thread
Size Diamond blade:4.5 inch (115mm),diamond height 10mm ,segment thickness 1.2mm ,Arbor 7/8"(22.23mm) , wet or dry cutting
Machine --For use on angle grinders

119,99 €
Value for Money

03

BRSCHNITT

Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling, 9pcs Diamond Drill Bits with Triangle Shank (6 8 10 20 25 32 35 43 50 mm)

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10% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

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,import 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
Size diamond drill bit-1/4" 5/16" 3/8" 1" 1-1/4" 1-3/8" 1-2/3" 2"(6 8 10 20 25 32 35 43 50mm)diamond height 10mm, total length 65mm,with triangle shank
Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck
High Performance --Special design of spiral groove at the top of bit helps for chip removal,Wax inside the drill bit helpful for Cooling and Lubrication

59,39 € 65,99 €(10% Off off)
04

Farhigh

Farhigh Tile Drill Bit Set Diamond Drill Glass Drill 5 Pieces 6/6/8/10/12 mm & 6 mm Carbide Drill Bits for Ceramic, Granite, Glass, Porcelain, Tiles, Hard Tiles, Porcelain Stoneware, Marble

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

VERSATILE & COMPATIBLE Whether you use a hand drill or a bench drill, our set is compatible with various drilling tools, making it perfect for DIY enthusiasts and professional tradesmen.
SUPERIOR DIAMOND GRIT TECHNOLOGY Equipped with advanced diamond grit, these drill bits provide enhanced durability and speed, ideal for drilling through porcelain tile, glass and ceramic.
PRECISION DRILLING FOR SENSITIVE SURFACES Our bits are engineered for accuracy and ensure clean, precise holes in fragile materials such as glass, porcelain and marble, reducing the risk of cracking or damage.
Durable and efficient: our diamond drill bits are not only designed for durability, but also designed for efficient and faster drilling, saving you time and effort on your construction or renovation projects.
COMPREHENSIVE ASSORTMENT FOR MULTIPLE MATERIALS This set includes a variety of sizes, for a wide range of uses, from granite and quartz stone to ceramic tiles and acrylic, ensuring you have the right bit for every task.

13,99 €
05

WORKEASE

WORKEASE Diamond Hole Saw Kit, 10 Pieces Serrated Brazing Tile Core Drill Bits Sets with EVA Mould for Hole Saw Guide Jig Hollow Drill Hole Saw for Ceramic, Glass, Tiles, Plaster, Wood, Marble,

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Serrated design: our diamond hole saw has saw-shaped teeth on the top to ensure sharp teeth and fast drilling speed. The openings between the saw teeth are clean, and there are several chip removal grooves that can quickly dissipate dust during the drilling process and are not easy to block, improving work efficiency. It is applicable to ceramic tiles, ceramics, glass (except tempered glass), marble, granite, terrazzo, plastic, thin wood, plasterboard, etc
Package contents: 10-piece professional soldered dry diamond hole saw: 6 mm (1/4), 10 mm (3/8), 12 mm (1/2), 20 mm (7/9), 25 mm (1), 30 mm (1-1/5), 35 mm (1-3/8), 40 mm (1-7/12), 45 mm (1-3/4), 5. 00mm / (2 1 x EVA shape precise positioner and 1 x hard storage bag
HARD, SHARP 10 pieces brazed dry diamond core saws are made of diamond integral steel, which is firm and durable. A good anti-corrosion properties soldering process is adopted on the surface, and the thickened diamond coating on the top provides excellent cut resistance for high-precision and smooth cutting, and drilling is stable and fast
EVA Shape Precise Positioner: The ceramic tile drill guide device is made of high density vinyl acetate copolymer, which has the effect of forming beads when water hits. It is waterproof and has an excellent waterproof effect. It can effectively fix the drilling position of the hole saw. The precise positioning system clamps the hole saw firmly to prevent sliding and object damage caused by improper operation
Dry Wet Dual Purpose Design: All soldered hole saws are treated by a special high temperature resistant process. Even without water as a lubricant, they can withstand the enormous heat generated by the hole saw when it rotates at high speed. Of course, you can also use water as an additional coolant to extend the life of the hole saw

39,99 €
06

BRSCHNITT

BRSCHNITT Dry Diamond Core Drill Bit Set, BRSCHNITT 2pcs/Pack 30mm Diamond Hole Saw Core Drill Bit Triangle Shank for Porcelain Tile Ceramic Stone Granite Marble

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Applications Diamond drill bits are great for dry drilling holes through hard porcelain tile, ceramic, bathroom tile, granite and marble, masonry, concrete, glass, hard plastic. The use of water can extend the service life
Size:2pcs 30mm(Note:2 inch a box), diamond height 10mm, total length 65mm, diamond core drill bit with triangle shank
Machine: suitable for any electric drill, hand drill, bench drill, when using an angle grinder, please install an angle grinder drill chuck
High Quality Raw Material - Using vacuum brazed technology, which increases resistance to temperature and friction, so that the diamond particles attach better to the core steel and improve performance and service life. Made with high quality diamond grain for effortless cutting and improved durability in tough applications. The high-quality core steel body helps to be more efficient and durable, not easy to deform
HIGH PERFORMANCE The special design of the spiral groove at the top of the bit helps chip removal, wax inside the drill bit helpful for cooling and lubrication

15,99 €
07

BGTEC

BGTEC Diamond Core Drill Bit Set - 25 mm Diamond Hole Saw Kit & 50 mm Chamfer Bit for Tile Porcelain Stoneware Ceramic Marble Granite Drilling, Suitable for Angle Grinders

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Application】Multi-purpose set, suitable for drilling, grinding and grinding. Suitable for porcelain, granite and marble, masonry, concrete, tile/ceramic, hard plastics, etc.Can efficiently deal with the drilling requirements of different materials and improve work efficiency.
Vacuum brazed diamond technology: the advanced vacuum soldering technology ensures a longer service life compared to traditional coating technology, which often reaches or even exceeds 3-5 times the service life, which ensures long tool life, faster cutting speeds and more cost savings.
Size: diameter: 25 mm, total length 60 mm, thread M14 thread, diamond height 10 mm, maximum working depth 35 mm, grit: #35/40.
Machine: compatible with most angle grinders/drills, use the adapter to switch freely between the two machines. Do not use the impact mode when switching to a device with impact mode!
Chip design: the improved "Lightning" tooth design makes it easier to remove waste and ensures fast heat dissipation, improves punching efficiency and ensures smooth operation.

38,99 €
08

JeeynoTols

9pcs Diamond Core Drills Set, 6/6/20/25/35/50 mm Diamond Drill Bits & 10 mm Diamond Milling Bit & 50 mm Diamond Beveling Chamfer Bit & Adapter, For Ceramic Tile Marble Porcelain, M14 Thread, Tile Bit

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Recommended machine: with M14 thread, recommended speed 6000 RPM; triangle adapter for electric drill, recommended speed 2000-5000 RPM; Faster the RPM, longer the bit's working life; Hammer drill,you can use SDS adapter but have to shut down hommer moder when using these bits;
Package contents: 9 pieces/box title tools box, 6 x diamond drill bits, diameter 6/6/20/25/35/50 mm; 1 x 10 mm diamond finger milling bit, 1 x 50 mm diamond beveling chamfer bit; 1 x hex shank adapter. In a Useful Box to Keep them Together and Easy to Find.Suitable for dry/wet drilling Porcelain Ceramic Tile Marble Granite, etc.
More versatility and convenience: with a diamond drill bit set, you have a range of sizes and types to tackle different projects and materials, save money.
High precision and clean cuts: U-grooves design fast chip removal, high-temperature resistant process allowing for greater accuracy in drilling and engl/beveling/shaping existing holes.
High durable and efficiency: high-quality diamond grains and vacuum brazed technology provides high efficient working performance/faster drilling speed/longer service life. 6/6 mm drill bits is dry drill, containing industrial cooling wax, when working, it automatically melts to cool the drill bit, ensuring that the drill bit works normally and efficiently without water and other flushing media.
9pcs Diamond Core Drills Set, 6/6/20/25/35/50mm Diamond Drill Bits & 10mm Diamond Milling Bit & 50mm Diamond Beveling Chamfer Bit & Triangle Adapter, For Ceramic Tile Marble Porcelain With M14 Thread,Tile Bit,Title Tools,Tilesaw,Hole Saw diamond drill bits,grinding disc,cutting disc,title saw blade

59,99 €
09

JeeynoTols

JeeynoTols 11PCs Diamond Core Drill Kit Tile Bit, 6/8/10/12/20/25/35/40/55/68 mm Drill Bits & Hex Shank Adapter, M14 Thread for Ceramic Tile Marble Porcelain.Hole Saw Diamond Drill Bit Set

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatility and convenience: with a gemstone drill kit, you have a range of sizes and types to tone different projects and materials, save your money.
Recommended machine: recommended speed 6000-10000RPM. HEX shank connector for electric drill. Recommended speed: 2000-5000 RPM; faster the RPM, longer the bits working life.
Precision and clean cuindividuals: gemstone drill bits biindividuals provide precise and clean cuindividuals that allow greater accuracy when drilling and engl/beveling/shaping existing holes.
Fast drilling: Lightning teeth have wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged.
Durable and efficiency: high-quality gemstone grains and vacuum brazed technology provides high efficient work performance, faster drilling speed and longer service life. 6/6/8 mm drill biindividuals is dry drill, contains industrial cooling wax, when it works, it automatically melts to cool the drill to ensure that the drill works normally and efficiently without water and other fluLower Legg media. It has the advehicletages of precise bore size, fast drilling speed, 11 pieces daily household diamond hole saw drill bits set

101,69 €
10

BGTEC

BGTEC Dry Diamond Drill Bit Set, 10 Pieces 6 mm Hole Saws for Granite, Marble, Masonry, Concrete, Tiles/Ceramic, Glass, Hard Plastic, Vacuum Soldered Diamond Core Drill Kit

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wax inside for cooling, our diamond tip drill bits feature integrated wax cores for cooling and lubrication. Specially designed with hole and groove on the side of the drill for removing stone chips
The vacuum soldered diamond technology provides a very high efficiency, cuts faster, more durable and sturdy
Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic, general purpose drilling
Dry drilling without water. Use water for longer
Diameter: 6 mm, diamond length: 8 mm, round shaft

19,94 €