7PCS Hole Saws and 3PCS Connecting Rods Electric Hammer Hole Drilling Cutter Kit for Concrete Brick Cement Wall 30 110mm

Feature: 1. Metal Materials: This concrete hole saw set is crafted from tungsten steel and YG8C alloy, has high hardness, rustproof effect, and durability. The hole saws are equipped with ventilation holes, facilitating easy dust removal and effectively enhancing work efficiency 2. Applications: This hole saw set is suitable for a variety of materials, such as hollow brick, cement wall, concrete wall, and red brick. Suitable for creating openings for installing air conditioners, range hoods, water pipes, water heaters, flue pipes, sewers, and more 3. Fast Chip Removal: The sharpness of the three tooth design and the chip removal holes enable you to swiftly clear internal and external debris during drilling, ensuring clean, fast, and effective hole drilling 4. Efficient Drilling: The hole saw features a incisive alloy head with a precisely ground 135 degrees angle, allowing for easy penetration into wall and enabling rapid hole drilling to improve work efficiency 5. Specifications: This kit includes 7 hole saws of different sizes, along with 300mm and 110mm connecting rods, can be installed on various electric hammers. It also comes with a portable box for convenient storage and transportation Specification: Item Type: Concrete Hole Saw Kit Material: Tungsten Steel Body, YG8C Carbide Head Application: Concrete wall, mixed brick wall, brick wall drilling Hole Drilling Diameter: 30mm (1 3 16 inch), 40mm (1 9 16 inch), 50mm (2 inch), 65mm (2 9 16 inch), 80mm (3 1 8 inch), 100mm (3 15 16 inch), 110mm (4 5 16 inch) Hole Drilling Depth: Approx. 50mm 2in Hole Saw Height: Approx. 70mm 2.8in Shank Specification: Long Rod: 300mm (11 13 16 inch) long, excluding center drill, 2 pits 2 slots shank, 5 pits shank Short Rod: 110mm (3 15 16 inch) long, excluding center drill, 2 pits 2 slots shank Center Drill Length: Approx. 109mm 4.3in. Package List: 7 x Hole Saws 2 x 300mm Connecting Rod 1 x 110mm Connecting Rod 3 x Center Drills 3 x Hex Wrenches 3 x Outer Hex Screws 3 x Inner Hex Screws 1 x Storage Box Note: 1. Equipped with hole saw drill bits, suitable for all major 2 pits 2 slots tools, adding coolant during continuous high speed drilling can prevent drill burning or breakage, extend the product service life.2. There is a slight error in size.