hin Wall Core Bit Carbide Hole Opener for Rotary Hammer Masonry Brick Block Removal 68mm

1、OF SHARPNESS WITHOUT BREAK: Carbide forging after high temperature quenching bring of sharpness edge not easy to break when cutting very durable 2、HIGH HARDNESS AND FAST DRILLING SPEED: Carbide head inserts have the characteristics of high hardness strong impact resistance and fast drilling speed 3、FIRM WELDING: Using high frequency welding technology the welding opening is very firm the inner and outer welding ports are smooth and the appearance of the joint is accurate 4、WIDE USES: This cement brick electric hammer drill is widely used for cutting clean holes in concrete brick work drilling wall stones installing airconditioners etc. 5、FOR MASONRY BRICK BLOCK REMOVAL: This thin wall core bit can achieve core removal of masonry brick and block useful and practical