Concrete Hole Saw with SDS Plus Shank 220 mm Heavy Duty Hole Saw with Pilot Drill 110mm and Non Slip Screw for Stone, Brick, Wall, Masonry

Cutting Diameter: 30mm | 1-3/16"; SDS Plus Shank Length: 220mm | 8-21/32"; SDS Plus Shank Diameter: 10mm | 3/8"; Hole Saw Depth: 25mm | 1". Made of pure YG8 carbide, the welds feature exceptional strength with smooth internal and external surfaces. Unique tooth profile keeps hole saw sharp even after dozens of holes are drilled. We applied anti-loosening adhesive to the fixing screws, eliminating any loosening caused by vibration during use. The connecting rod has a flat design, allowing it to be easily unscrewed with a wrench even if the drill bit and rod are stuck. The center drill bit has been upgraded with a cross shaped structure, providing more stable positioning and increased efficiency. Masonry hole saw easily drills brick, stone, walls, cement and stucco. Includes 1 x masonry hole saw, 1 x 220 mm SDS Plus fitting rod, 1 x 110 mm cross tip pilot drill, 1 x non-slip screw