10 Pcs Drill Bit Set, Hollow TCT Core Drill Bits Cutter Plus Shank, Hole Saw Drill Bits Cutter for Brick Stone Concrete Cement Faucet Ceramic, Porcelain Tiles

TCT DRILLS : This top quality TCT (tungsten carbide tipped)core drill set contains everything you need to get started, suitable for cutting clean holes in concrete, brick and block work. PACKAGE CONTENT : Our package includes 35mm, 40mm, 50mm, 65mm, 80mm and 110mm drill bits, 4-pits round arbors, drills and a 300mm 4-pits square extension shank, also comes with 2 locking screws and 2 pilot drills. APPLICABLE FOR : 35mm-45mm drills are used to drilling water pipe and heater pipe, 55mm-80mm drills are used to air conditioner pipe, and 110mm used for 4inch wall fan. NOTICE : Square handle (SDS) is suitable for heavy electric hammer, while round handle (PLUS) suitable for light electric hammer. SERVICE : We sincerely hope that you can get a good shopping experience in our store, if you have any questions, please feel to contact us.