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UK Drills Diamond Core Drill Bit 117mm x 170mm, Laser Welded - To Be Used in Granite, Concrete & Masonry : Amazon.co.uk: DIY & Tools
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Raizi M16 Diamond Core Drill Bit Hole Saw For Concrete 38/53/117 Mm Drilling Bits Set Wall Tap Water Air Condition Drill Tool - Drill Bit - AliExpress
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UK Drills Diamond Core Drill Bit 117mm x 170mm, Laser Welded - To Be Used in Granite, Concrete & Masonry : Amazon.co.uk: DIY & Tools
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