Wensilon 5pcs 1/2" X 6"-4" Cross-Type Double Thread Carbide Drill Bits for Concrete, Brick, Stone, Hammer Drill($17.99Value)

Description

SIZE INTRODUCTION:The total length is 6 inches, the actual effective length is 4 inches. Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work. Material: High-strength alloy steel is made by Wensilon, very hard. Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall. Compatible with most brands of impact drills on the market