Core bits cut cylindrical holes in concrete, masonry and tile. Diamond core bits use embedded industrial diamonds to grind through hard materials while producing minimal dust.
What are core and diamond core bits used for?
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Core bits cut cylindrical holes in concrete, masonry and tile. Diamond core bits use embedded industrial diamonds to grind through hard materials while producing minimal dust.
What are core and diamond core bits used for?
Core bits are designed to drill large, clean holes by removing a core of material rather than pulverizing the entire area. They’re used for:
Concrete, brick, block, and masonry
Ceramic tiles, granite, and marble (with diamond-tipped versions)
Creating access points for plumbing, electrical conduits, HVAC ducts, and extractor fans
Diamond core bits are ideal for hard, abrasive materials and offer precision with minimal vibration.
What’s the difference between dry and wet diamond core bits?
Dry core bits are used with standard rotary drills and are often vacuum brazed or laser-welded, designed for materials like brick or block without water cooling
Wet core bits use water as a coolant and dust suppressor, ideal for reinforced concrete, granite, and tile, and require slower RPM tools like rotary drills or rigs
Using the correct type extends tool life, improves efficiency, and protects the material from cracking due to overheating.
What should I consider when choosing a core bit?
Diameter and depth – match the size to your application (e.g. 25 mm–150 mm for plumbing/electrical work)
Connection type – SDS-Plus, SDS-Max, or ½″ BSP threads depending on your drill
Material type –
Segmented diamond bits for concrete and stone
Continuous rim bits for tile and ceramics (smoother edges)
Tungsten carbide core bits for general masonry
Always check your drill’s power and clutch rating; core bits should be used with high-torque, low-speed drills, preferably with safety clutches.
TCT Hollow Core Bit Core diameter: Ø125mmDepth: 72mmAdaptor thread: M22 The hollow core bits are designed to be used with rotary hammers. It is u...
View full detailsTCT Hollow Core Bit Core diameter: Ø110mmDepth: 72mmAdaptor thread: M22 The hollow core bits are designed to be used with rotary hammers. It is u...
View full details64mm Diamond Core Bit The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain (hardest) Granite Glass Slate The d...
View full details32mm Diamond Core Bit Core diameter: Ø32mmMain use: Tiles The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain ...
View full details20mm Diamond Core Bit Core diameter: 20mmMain use: Tiles The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain (...
View full detailsDiamond Core Bit Core diameter: Ø75mmDepth: 170mmAdaptor thread: M22Main use: Concrete The dry cut diamond core drill is designed to be used witho...
View full detailsSDS-plus Adaptor Adaptor length: 300mmThread: M22Connection type: SDS-plus Application: This is an SDS-plus adaptor to connect the TCT hollow cor...
View full detailsSDS-plus Adaptor Adaptor length: 200mmThread: M22Connection type: SDS-plus This is an SDS-plus adaptor to connect the TCT hollow core bit to your ...
View full detailsSDS-plus Adapter 200mm X M16 for TCT Core Bits
SDS-plus Adaptor for Diamond Core Bits Adaptor length: 200mmThread: M16Connection type: SDS-plus This is a SDS-plus adaptor to connect the Dry Cu...
View full details16mm Diamond Core Bit Core diameter: 16mmMain use: Tiles The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain (...
View full details10mm Diamond Core Bit The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain (hardest) Granite Glass Slate The d...
View full detailsTCT Core bits - DIY/Economy (M22) For drilling into general masonry, no hammer action needed
TCT Core bits - DIY/Economy (M22) For drilling into general masonry, no hammer action needed
TCT Core bits - DIY/Economy (M22) For drilling into general masonry, no hammer action needed
Dry Core Pilot Bit 230mm Pilot Bit for Dry Core Drilling
Dry Core Drift Key Use with either Hex or SDS adaptor to release the Guide Rod or A-Taper pilot drill bit from the adaptor NB: Image at left is ...
View full detailsFast drilling into all types of tiles: Porcelain, ceramics, and natural stone Fits 10mm chuck drill Use with water
31 X 30mm HSS Core Drill With Weldon shank 19 mm (3/4") Insert only with suitable centring pin Suitable for steel, cast steel, non-ferrous me...
View full detailsDIY/Economy Tungsten M22 Core Bits For drilling into general masonry No hammer action needed
Diamond Core Pilot Drill Bit The pilot drill is used with the Dry Cut Diamond Core Drills The shank of the pilot drill is tapered and it fits in ...
View full detailsPilot drill bit with taper shank for Long Core Bits
Drift key The Drift key is a wedge used to remove the pilot drill from the Dry Cut Diamond Core Drill adaptor with a hammer. See illustration belo...
View full details76mm Diamond Core Bit The diamond core bit is used to drill holes in: Ceramic tiles Marble Grade 5 porcelain (hardest) Granite Glass Slate The d...
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