Amazon.com: Sabre Tools SDS Concrete Hole Saw 1-9/16 Inch (40MM) Carbide Tipped SDS Plus or SDS Max Core Bit for Brick, Concrete, Stone (1-9/16" | 40mm) : Tools & Home Improvement
Sds Max Shank 30mm 40mm 50mm Set Wall Drill Bit Hole Saw Set Cutter Tool Kit 350mm Long Core For Wall Masonry Brick Stone Coment - Drill Bit - AliExpress