Concrete Hole Saw Stone Wall Carbon Steel Hole Opener Cutter Electric Hammer Drill Bit90mm

1、Carbon Steel Material: The concrete hole saw is made of hard carbon steel material with high hardness and wear resistance. 2、Fast Perforation: The wall hole opener is often used with an electric hammer simple operation and fast perforation speed. 3、Strong Practicality: Widely used in concrete bricks blocks walls stones and clean hole cutting in air conditioning installation etc. 4、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. 5、Standard Diameter: The wall hole saw cutter has standard inner and outer diameter precise hole opening and strong practicability.