Annular Core Drill Bit 50mm Depth 40CR Carbide Hollow Drill for Concrete

1 Deep Hole Opening: The drill bit can form cylindrical holes up to 50mm deep in ferrous and non ferrous metals. 2 High Efficiency: This tool is thin walled and hollowed, with double alternating tooth geometry, provides more efficient cutting than traditional hole saws and drill bits. 3 Precise Cutting: With multiple precise cutting edges, can create more accurate holes without flanging. 4 Excellent Material: Carbide steel provides superior cutting performance, could withstand high temperatures and maximize durability. 5 Wide Application: This drill bit is suitable for cast iron, stainless steel, aluminum and copper, with a box for easy storage and carrying.

What's in the box
1 x Annular Core Drill Bit