CATITO 11 Piece Set of Concrete Hole Saw (30mm 40mm 50mm 65mm),Concrete Hole Saw Kit for Concrete with SDS Plus Shank Connecting Rod and 5pcs dust Bag, Cement|Brick Stone|Wall.

Transform your concrete drilling projects with the CATITO 11-piece hole saw kit. This comprehensive set includes four different sized hole saws (30mm, 40mm, 50mm, and 65mm) designed specifically for cutting clean, precise holes through concrete, cement, brick, stone, and wall materials. The kit comes equipped with matching screws, wrenches and SDS Plus shank connecting rods for secure attachment to your power tool, ensuring stable and controlled operation. To help maintain a clean work environment, the set includes 5 dust collection bags that capture debris during drilling. Each component is engineered for durability and consistent performance across multiple applications. Whether you're installing electrical boxes, plumbing fixtures, or ventilation systems, this versatile hole saw kit provides the essential tools needed for professional-quality results in masonry work.

• 【Multi in one set】 4pcs hole saw: 1-3/16 "(30mm), 1-9/16" (40mm), 2 "(50mm), 2-9/16" (65mm); 1x SDS Plus connecting rod (8-5/8", 220mm), 3x center positioning drill bit; 5x dust bag, 1 hex wrenches, 1 additional fixing screw
• 【High quality tungsten carbide】This hole saw kit is made of tungsten steel and tungsten carbide, with high tensile strength. It is very hard and has excellent wear resistance, making it valuable in cutting tools, drills, and abrasives. Even in corrosive environments, it has strong corrosion resistance.
• 【Multiple application scenarios】It is easy to drill holes in walls, stones, bricks, or install pipes such as air conditioners, range hoods, and sewers. Due to the difference in hardness between stones/bricks, hole saws require more time than normal. When processing high hardness materials, please use them in flowing water to reduce the wear of the hole saw.
• 【Supporting tools to improve work quality】 Equipped with 5 dust collection bags to help reduce dust during chainsaw operation. This set offers one connecting rods: 8-5/8" (220mm) SDS Plus.
• 【Suggested usage techniques】※ If you want to disassemble the centering drill, you can hold down the switch of the centering drill fixture and keep the switch in the pressed state. The centering drill can be easily disassembled.