Top 10 40mm Core Drill Bit UK – Hole Saws

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1. Silverline

40 mm, Silverline 447141 TCT Core Drill Bit

Silverline - Cuts clean accurate holes in masonry. Heavy duty steel body with TCT cutting tips. For use with 1/2 inch BSP compatible arbours. Do not use with hammer action. For use with drills equipped with a safety clutch.
Height4.5 cm (1.77 Inches)
Length8 cm (3.15 Inches)
Weight0.2 kg (0.44 Pounds)
Width4.5 cm (1.77 Inches)
Part Number447141

2. sourcing map

Sourcing map 40mm Dry/Wet Diamond Core Drill Bit for Granite Concrete Brick Block Stone Masonry

sourcing map - 40mm diamond core Drill Style Bit. Cut perfect circles. Made of high quality diamond with precision drilling speed and long life use. Used for drilling soft brick, concrete block, soft masonry, granite, rebar concrete etc. Wet or dry use. To prolong its using life, must be used with water for cooling and lubrication. Small incision resistance, feature drilling stably, fast speed, not breaking the border.
Brandsourcing map
Manufacturersourcing map
Part Numbera18082400ux0176

3. Silverline

Silverline 282415 Diamond Core Drill Bit, 42 x 150 mm

Silverline - For use with 1/2 inch BSP compatible arbours. For use with drills equipped with a safety clutch. Heavy duty steel body with diamond dust cutting segments. Dry cutting of accurate holes in masonry. Do not use with hammer action.
Height5.5 cm (2.17 Inches)
Length18 cm (7.09 Inches)
Weight0.42 kg (0.93 Pounds)
Width5 cm (1.97 Inches)
Part Number282415

4. Amtech

Amtech F1209 Core Drill, 40 mm

Amtech - Heavy duty construction. Hanging bracket. Hardened and tempered steel. Ideal for drilling brick and blocks for vent pipe and drainage etc. Sds shank with pilot drill included.
ManufacturerDK Tools LTD
Height4 cm (1.57 Inches)
Length26 cm (10.24 Inches)
Width7 cm (2.76 Inches)
Part NumberF1209
Warranty1 year manufacturer.

5. sourcing map

Sourcing map 40mm Diamond Core Drill Bits Dry or Wet Hole Saws for Hard Concrete Brick Block Masonry Stone

sourcing map - Dry or wet drilling: can be dry or wet drilling. Large clearance hole: facilitates the entrance of cooling water and the escape of chips and other particles from drilling.

Non-slip triangle shank fits most electric hand drills and bench drills. Drilling diameter: 40mm / 2. 28"; shank size: 9. 5mm / 1. 57"; drilling depth: 58mm / 037". Sharp cutting edge: the core drill bits cut clean and fast holes, and make drilling process much easier. To prolong the using life, it is recommended to be used with water for cooling and lubrication. Applications: suitable for drilling concrete, marble, stone, masonry, hard brick, and other hard materials.
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Manufacturersourcing map
Part Numbera20112600ux0434


Marble,Granite 40mm, Glass, Diamond Drill Bits MASO Coated Core Diamond Hole Saw Drill Bits Tools Hollow Core Drill Bits Cutter for Wet Drilling Tool Ceramic, Porcelain Tiles

MASO - Material- these diamond drill bits made of high-speed steel that is durable and have a long sevice life, red paints on the body of this bit to avoid getting rusty. Please do NOT run dry. Great gift idea for any diy lover working at Kitchen, Porcelain Tiles, bottle to dealing with Ceramic, Bathroom, Shower, Glass and Marble. The glass drill bit suitable for all common electric drillers. Center pilot drill is unnecessary and not included. Diamond coated tools will work best if you use water to keep the tools cool.
Part NumberHA0510R


SHDIATOOL Dry Diamond Drill Core Bit Diameter 40mm Vacuum Brazed Drilling Porcelain Tile Granite Marble

SHDIATOOL - Dry or wet drilling tile ceramic granite marble stone. Vacuum brazed technology provide much longer working life than electroplated ones Generally 3-5times. 1pc vacuum brazed drill core bits M14 Thread Diameter 40mm. Professional Quality, Less Chipping. Diameter 40 mm, diamond height 10mm, total length 60mm, M14 Thread.
Height6 cm (2.36 Inches)
Length4 cm (1.57 Inches)
Width4 cm (1.57 Inches)
Part NumberA853SHx1.AUK


Porcelain, Granite 40mm Diameter, Slate Porcelain Marble Hollow Core Drill Bit for Glass, KATUR 40mm Dia Diamond Hole Saw Drill Bit, Marble, Ceramic, Tile

KATUR - Buy with confidence we offer "two year" warranty on items that confirm to be manufacturer defect. We'll respond within 24 hours on weekdays. Please clamp the shaft in right place and necessary protective measures in woodworking processing.

Small incision resistance, drilling stably and will not breaking the border. Application it can be used for drilling ceramic tile, granite, marble, glass, concrete and other hard material. Good design the center pilot holes and side holes help to remove the waste material easily; And have gold paints to aviod getting rusty, enhance the surface corrosion resistance. Please note when cutting hard materials it is important to ensure the cutter is kept cool to avoid damage to the material being drilled and premature wear of the cutter; Water is required for lubrication when drilling, which can extend the life of the drill bit.

Diamond hole saw drill bit the diamond hole saw drill bit is made of high carbon steel with a neat and soomth opening, no broken edges. Will work with all electric drill and impact drill.
Part NumberBT-1805-40

9. Wolfcraft

Wolfcraft 5480000 40mm Hollow Annular Bit CT with Sds Plus Adapter Impact and Shock Resistant

Wolfcraft - Specially hardened,  precise, wear-resistant drill shank. Specially soldered heat-resistant carbide plates. For brick walls, marble, natural stones, artificial stones, concrete, tiles. Version: mandrel sdS-plus, impact and shock resistant, 2 discharge holes. For pipe installations and flush sockets.
Height26 cm (10.24 Inches)
Length6.5 cm (2.56 Inches)
Weight0.43 kg (0.95 Pounds)
Width6.5 cm (2.56 Inches)
Part Number5480000


SHDIATOOL Diamond Drill Core Bit Diameter 40mm for Porcelain Tile Granite Marble Dry Drilling

SHDIATOOL - Dry/wet drilling for porcelain tile, stone, Masonry, granite, marble, brick. 1pc vacuum brazed drill core bits M14 Thread Diameter 40mm. Vacuum brazed technology provides longer working life, Fast and smooth drilling. Diameter 40mm, total height 60MM, M14 connection, Diamond height 15MM. High diamond exposure rate provides a faster and more aggressive drilling, Minimizing any breakage and safe for operator.
Height6 cm (2.36 Inches)
Length4.3 cm (1.69 Inches)
Width4.3 cm (1.69 Inches)
Part NumberA853.SHAUK