3 Review(s)

Fast Perforation: The wall hole opener is often used with an electric hammer, simple operation and fast perforation speed.Carbon Steel Material: The concrete hole saw is made of hard carbon steel material with high hardness and wear resistance.Firm and Smooth Welding: Using high frequency welding technology, the welding port is very glossy and firm, and the wall will not be damaged during use.Strong Practicality: Widely used in concrete, bricks, blocks, walls, stones and clean hole cutting in air conditioning installation, etc.Standard Diameter: The wall hole saw cutter has standard inner and outer diameter, precise hole opening, and strong practicability.