Electric Hammer Wall Hole Saw Cemented Carbide Hollow Hole Opener for Cutting Drilling

Feature: 1. MAIN PURPOSES: Hollow hole saw specification is 130mm for drilling holes in concrete, bricks or wall, or for cutting holes when installing air conditioner. 2. CEMENTED CARBIDE: Forged with cemented carbide and quenched at high temperature to ensure high hardness, not easy to break when cutting or drilling. 3. GOOD PERFORMANCE: Carbide head blade has the characteristics of high hardness, strong impact resistance and fast drilling speed, effective and durable. 4. ACCURATE WELDING: Using high frequency welding technology, the welding opening is very firm, and the inner and outer welding ports are smooth and precise. 5. EASY TO INSTALL: The electric hammer hole opener has standard size, easy to connect and not easy to fall off, which is safe and reliable in operation. Specification: Item Type: Wall Hole Opener Material: Carbide Color: Silver Specification: Approx. 130mm 5.1in Uses: Widely used for cutting clean holes in concrete, brick work, drilling wall, stone, installing air conditioners, etc. . Package List: 1 x Wall Hole Opener Note: Manual measurement, please allow 1‑2cm error.MAIN PURPOSES: Hollow hole saw specification is 130mm for drilling holes in concrete, bricks or wall, or for cutting holes when installing air conditioner. CEMENTED CARBIDE: Forged with cemented carbide and quenched at high temperature to ensure high hardness, not easy to break when cutting or drilling. GOOD PERFORMANCE: Carbide head blade has the characteristics of high hardness, strong impact resistance and fast drilling speed, effective and durable. ACCURATE WELDING: Using high frequency welding technology, the welding opening is very firm, and the inner and outer welding ports are smooth and precise. EASY TO INSTALL: The electric hammer hole opener has standard size, easy to connect and not easy to fall off, which is safe and reliable in operation.