70 mm impact-resistant concrete drill bit for masonry and stonework.

Features:1.70mm Wall Hole Opener: This wall hole opener has a 70mm diameter, is carbide-forged, and high-temperature hardened.
2.Sharp Blade Edge: The edge of the wall hole saw blade is sharp, not easy to break during cutting, and provides efficient cutting.
3.High Performance: The concrete wall hole opener has high hardness, strong impact resistance, and a fast drilling speed.
4.High-Frequency Welding Technology: This wall hole cutter adopts high-frequency welding technology, resulting in a firm weld opening, smooth inner and outer weld ports, and a precise joint.
5.Wide range of uses: This wall hole saw is widely used for cutting clean holes in concrete, brick, drilling walls, stone, installing air conditioners, etc.
Specifications:Item Type: Wall Drill Bit
Material: Carbide
Color: Silver
Specifications: Approximately 70 mm/2.8 inches
Use: Widely used for cutting clean holes in concrete, brickwork, drilling walls, stone, installing air conditioners, etc.

Package List:1 x Wall Drill Bit