Concrete Drill Bit Set Hole Saw Set for Core Drill Bits Concrete Core Drill Bit Set Concrete Core Drill Bit Cutter for Masonry Masonry SDS Plus Extension Shank 10 Pieces

Core Drills: These are tungsten carbide core drills, they are ideal for cutting clean holes in brick, concrete and block work Different sizes There are 35mm, 40mm, 50mm, 65mm, 82mm and 110mm drill bits, SDS+ axes, pilot drills and a 300mm SDS+ extension rod in the set for your different needs Scope of application: 35mm to 45mm drill bits are used to drill water pipes and heating pipes, 55mm to 80mm drill bits are used for air conditioning pipes, and 110mm drill bits are used for 4 inch wall fans COMPLETE ACCESSORIES: This core drill set includes everything you need to get started.It comes with two guide drill bits and two locking screws High efficiency: this drill bit has a chip removal hole, which makes the work more efficient and faster, you deserve it